20487916800

素因数分解:

$2^8\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27361}}^1$

素因数の和:27406

約数の個数: 324

約数和(自身を含む): 78886342444

約数和(自身を除く): 58398425644

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 128, 130, 144, 150, 156, 160, 180, 192, 195, 200, 208, 225, 234, 240, 256, 260, 288, 300, 312, 320, 325, 360, 384, 390, 400, 416, 450, 468, 480, 520, 576, 585, 600, 624, 640, 650, 720, 768, 780, 800, 832, 900, 936, 960, 975, 1040, 1152, 1170, 1200, 1248, 1280, 1300, 1440, 1560, 1600, 1664, 1800, 1872, 1920, 1950, 2080, 2304, 2340, 2400, 2496, 2600, 2880, 2925, 3120, 3200, 3328, 3600, 3744, 3840, 3900, 4160, 4680, 4800, 4992, 5200, 5760, 5850, 6240, 6400, 7200, 7488, 7800, 8320, 9360, 9600, 9984, 10400, 11520, 11700, 12480, 14400, 14976, 15600, 16640, 18720, 19200, 20800, 23400, 24960, 27361, 28800, 29952, 31200, 37440, 41600, 46800, 49920, 54722, 57600, 62400, 74880, 82083, 83200, 93600, 109444, 124800, 136805, 149760, 164166, 187200, 218888, 246249, 249600, 273610, 328332, 355693, 374400, 410415, 437776, 492498, 547220, 656664, 684025, 711386, 748800, 820830, 875552, 984996, 1067079, 1094440, 1231245, 1313328, 1368050, 1422772, 1641660, 1751104, 1778465, 1969992, 2052075, 2134158, 2188880, 2462490, 2626656, 2736100, 2845544, 3201237, 3283320, 3502208, 3556930, 3939984, 4104150, 4268316, 4377760, 4924980, 5253312, 5335395, 5472200, 5691088, 6156225, 6402474, 6566640, 7004416, 7113860, 7879968, 8208300, 8536632, 8755520, 8892325, 9849960, 10506624, 10670790, 10944400, 11382176, 12312450, 12804948, 13133280, 14227720, 15759936, 16006185, 16416600, 17073264, 17511040, 17784650, 19699920, 21013248, 21341580, 21888800, 22764352, 24624900, 25609896, 26266560, 26676975, 28455440, 31519872, 32012370, 32833200, 34146528, 35022080, 35569300, 39399840, 42683160, 43777600, 45528704, 49249800, 51219792, 52533120, 53353950, 56910880, 63039744, 64024740, 65666400, 68293056, 71138600, 78799680, 80030925, 85366320, 87555200, 91057408, 98499600, 102439584, 105066240, 106707900, 113821760, 128049480, 131332800, 136586112, 142277200, 157599360, 160061850, 170732640, 175110400, 196999200, 204879168, 213415800, 227643520, 256098960, 262665600, 273172224, 284554400, 315198720, 320123700, 341465280, 393998400, 409758336, 426831600, 455287040, 512197920, 525331200, 569108800, 640247400, 682930560, 787996800, 819516672, 853663200, 1024395840, 1138217600, 1280494800, 1365861120, 1575993600, 1707326400, 2048791680, 2276435200, 2560989600, 3414652800, 4097583360, 5121979200, 6829305600, 10243958400, 20487916800]

約数ペア:

[(1, 20487916800), (2, 10243958400), (3, 6829305600), (4, 5121979200), (5, 4097583360), (6, 3414652800), (8, 2560989600), (9, 2276435200), (10, 2048791680), (12, 1707326400), (13, 1575993600), (15, 1365861120), (16, 1280494800), (18, 1138217600), (20, 1024395840), (24, 853663200), (25, 819516672), (26, 787996800), (30, 682930560), (32, 640247400), (36, 569108800), (39, 525331200), (40, 512197920), (45, 455287040), (48, 426831600), (50, 409758336), (52, 393998400), (60, 341465280), (64, 320123700), (65, 315198720), (72, 284554400), (75, 273172224), (78, 262665600), (80, 256098960), (90, 227643520), (96, 213415800), (100, 204879168), (104, 196999200), (117, 175110400), (120, 170732640), (128, 160061850), (130, 157599360), (144, 142277200), (150, 136586112), (156, 131332800), (160, 128049480), (180, 113821760), (192, 106707900), (195, 105066240), (200, 102439584), (208, 98499600), (225, 91057408), (234, 87555200), (240, 85366320), (256, 80030925), (260, 78799680), (288, 71138600), (300, 68293056), (312, 65666400), (320, 64024740), (325, 63039744), (360, 56910880), (384, 53353950), (390, 52533120), (400, 51219792), (416, 49249800), (450, 45528704), (468, 43777600), (480, 42683160), (520, 39399840), (576, 35569300), (585, 35022080), (600, 34146528), (624, 32833200), (640, 32012370), (650, 31519872), (720, 28455440), (768, 26676975), (780, 26266560), (800, 25609896), (832, 24624900), (900, 22764352), (936, 21888800), (960, 21341580), (975, 21013248), (1040, 19699920), (1152, 17784650), (1170, 17511040), (1200, 17073264), (1248, 16416600), (1280, 16006185), (1300, 15759936), (1440, 14227720), (1560, 13133280), (1600, 12804948), (1664, 12312450), (1800, 11382176), (1872, 10944400), (1920, 10670790), (1950, 10506624), (2080, 9849960), (2304, 8892325), (2340, 8755520), (2400, 8536632), (2496, 8208300), (2600, 7879968), (2880, 7113860), (2925, 7004416), (3120, 6566640), (3200, 6402474), (3328, 6156225), (3600, 5691088), (3744, 5472200), (3840, 5335395), (3900, 5253312), (4160, 4924980), (4680, 4377760), (4800, 4268316), (4992, 4104150), (5200, 3939984), (5760, 3556930), (5850, 3502208), (6240, 3283320), (6400, 3201237), (7200, 2845544), (7488, 2736100), (7800, 2626656), (8320, 2462490), (9360, 2188880), (9600, 2134158), (9984, 2052075), (10400, 1969992), (11520, 1778465), (11700, 1751104), (12480, 1641660), (14400, 1422772), (14976, 1368050), (15600, 1313328), (16640, 1231245), (18720, 1094440), (19200, 1067079), (20800, 984996), (23400, 875552), (24960, 820830), (27361, 748800), (28800, 711386), (29952, 684025), (31200, 656664), (37440, 547220), (41600, 492498), (46800, 437776), (49920, 410415), (54722, 374400), (57600, 355693), (62400, 328332), (74880, 273610), (82083, 249600), (83200, 246249), (93600, 218888), (109444, 187200), (124800, 164166), (136805, 149760)]