641640480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 288

約数和(自身を含む): 2270140992

約数和(自身を除く): 1628500512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 96, 104, 107, 120, 124, 130, 155, 156, 160, 186, 195, 208, 214, 240, 248, 260, 310, 312, 321, 372, 390, 403, 416, 428, 465, 480, 496, 520, 535, 620, 624, 642, 744, 780, 806, 856, 930, 961, 992, 1040, 1070, 1209, 1240, 1248, 1284, 1391, 1488, 1560, 1605, 1612, 1712, 1860, 1922, 2015, 2080, 2140, 2418, 2480, 2568, 2782, 2883, 2976, 3120, 3210, 3224, 3317, 3424, 3720, 3844, 4030, 4173, 4280, 4805, 4836, 4960, 5136, 5564, 5766, 6045, 6240, 6420, 6448, 6634, 6955, 7440, 7688, 8060, 8346, 8560, 9610, 9672, 9951, 10272, 11128, 11532, 12090, 12493, 12840, 12896, 13268, 13910, 14415, 14880, 15376, 16120, 16585, 16692, 17120, 19220, 19344, 19902, 20865, 22256, 23064, 24180, 24986, 25680, 26536, 27820, 28830, 30752, 32240, 33170, 33384, 37479, 38440, 38688, 39804, 41730, 43121, 44512, 46128, 48360, 49755, 49972, 51360, 53072, 55640, 57660, 62465, 64480, 66340, 66768, 74958, 76880, 79608, 83460, 86242, 92256, 96720, 99510, 99944, 102827, 106144, 111280, 115320, 124930, 129363, 132680, 133536, 149916, 153760, 159216, 166920, 172484, 187395, 193440, 199020, 199888, 205654, 215605, 222560, 230640, 249860, 258726, 265360, 299832, 308481, 318432, 333840, 344968, 374790, 398040, 399776, 411308, 431210, 461280, 499720, 514135, 517452, 530720, 599664, 616962, 646815, 667680, 689936, 749580, 796080, 822616, 862420, 999440, 1028270, 1034904, 1199328, 1233924, 1293630, 1336751, 1379872, 1499160, 1542405, 1592160, 1645232, 1724840, 1998880, 2056540, 2069808, 2467848, 2587260, 2673502, 2998320, 3084810, 3290464, 3449680, 4010253, 4113080, 4139616, 4935696, 5174520, 5347004, 5996640, 6169620, 6683755, 6899360, 8020506, 8226160, 9871392, 10349040, 10694008, 12339240, 13367510, 16041012, 16452320, 20051265, 20698080, 21388016, 24678480, 26735020, 32082024, 40102530, 42776032, 49356960, 53470040, 64164048, 80205060, 106940080, 128328096, 160410120, 213880160, 320820240, 641640480]

約数ペア:

[(1, 641640480), (2, 320820240), (3, 213880160), (4, 160410120), (5, 128328096), (6, 106940080), (8, 80205060), (10, 64164048), (12, 53470040), (13, 49356960), (15, 42776032), (16, 40102530), (20, 32082024), (24, 26735020), (26, 24678480), (30, 21388016), (31, 20698080), (32, 20051265), (39, 16452320), (40, 16041012), (48, 13367510), (52, 12339240), (60, 10694008), (62, 10349040), (65, 9871392), (78, 8226160), (80, 8020506), (93, 6899360), (96, 6683755), (104, 6169620), (107, 5996640), (120, 5347004), (124, 5174520), (130, 4935696), (155, 4139616), (156, 4113080), (160, 4010253), (186, 3449680), (195, 3290464), (208, 3084810), (214, 2998320), (240, 2673502), (248, 2587260), (260, 2467848), (310, 2069808), (312, 2056540), (321, 1998880), (372, 1724840), (390, 1645232), (403, 1592160), (416, 1542405), (428, 1499160), (465, 1379872), (480, 1336751), (496, 1293630), (520, 1233924), (535, 1199328), (620, 1034904), (624, 1028270), (642, 999440), (744, 862420), (780, 822616), (806, 796080), (856, 749580), (930, 689936), (961, 667680), (992, 646815), (1040, 616962), (1070, 599664), (1209, 530720), (1240, 517452), (1248, 514135), (1284, 499720), (1391, 461280), (1488, 431210), (1560, 411308), (1605, 399776), (1612, 398040), (1712, 374790), (1860, 344968), (1922, 333840), (2015, 318432), (2080, 308481), (2140, 299832), (2418, 265360), (2480, 258726), (2568, 249860), (2782, 230640), (2883, 222560), (2976, 215605), (3120, 205654), (3210, 199888), (3224, 199020), (3317, 193440), (3424, 187395), (3720, 172484), (3844, 166920), (4030, 159216), (4173, 153760), (4280, 149916), (4805, 133536), (4836, 132680), (4960, 129363), (5136, 124930), (5564, 115320), (5766, 111280), (6045, 106144), (6240, 102827), (6420, 99944), (6448, 99510), (6634, 96720), (6955, 92256), (7440, 86242), (7688, 83460), (8060, 79608), (8346, 76880), (8560, 74958), (9610, 66768), (9672, 66340), (9951, 64480), (10272, 62465), (11128, 57660), (11532, 55640), (12090, 53072), (12493, 51360), (12840, 49972), (12896, 49755), (13268, 48360), (13910, 46128), (14415, 44512), (14880, 43121), (15376, 41730), (16120, 39804), (16585, 38688), (16692, 38440), (17120, 37479), (19220, 33384), (19344, 33170), (19902, 32240), (20865, 30752), (22256, 28830), (23064, 27820), (24180, 26536), (24986, 25680)]