78372720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 294222240

約数和(自身を除く): 215849520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 102, 114, 120, 136, 144, 152, 153, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 304, 306, 323, 337, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 674, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1011, 1020, 1140, 1224, 1292, 1348, 1360, 1368, 1520, 1530, 1615, 1685, 1710, 1938, 2022, 2040, 2280, 2448, 2584, 2696, 2736, 2907, 3033, 3060, 3230, 3370, 3420, 3876, 4044, 4080, 4560, 4845, 5055, 5168, 5392, 5729, 5814, 6066, 6120, 6403, 6460, 6740, 6840, 7752, 8088, 9690, 10110, 11458, 11628, 12132, 12240, 12806, 12920, 13480, 13680, 14535, 15165, 15504, 16176, 17187, 19209, 19380, 20220, 22916, 23256, 24264, 25612, 25840, 26960, 28645, 29070, 30330, 32015, 34374, 38418, 38760, 40440, 45832, 46512, 48528, 51224, 51561, 57290, 57627, 58140, 60660, 64030, 68748, 76836, 77520, 80880, 85935, 91664, 96045, 102448, 103122, 108851, 114580, 115254, 116280, 121320, 128060, 137496, 153672, 171870, 192090, 206244, 217702, 229160, 230508, 232560, 242640, 256120, 257805, 274992, 288135, 307344, 326553, 343740, 384180, 412488, 435404, 458320, 461016, 512240, 515610, 544255, 576270, 653106, 687480, 768360, 824976, 870808, 922032, 979659, 1031220, 1088510, 1152540, 1306212, 1374960, 1536720, 1632765, 1741616, 1959318, 2062440, 2177020, 2305080, 2612424, 3265530, 3918636, 4124880, 4354040, 4610160, 4898295, 5224848, 6531060, 7837272, 8708080, 9796590, 13062120, 15674544, 19593180, 26124240, 39186360, 78372720]

約数ペア:

[(1, 78372720), (2, 39186360), (3, 26124240), (4, 19593180), (5, 15674544), (6, 13062120), (8, 9796590), (9, 8708080), (10, 7837272), (12, 6531060), (15, 5224848), (16, 4898295), (17, 4610160), (18, 4354040), (19, 4124880), (20, 3918636), (24, 3265530), (30, 2612424), (34, 2305080), (36, 2177020), (38, 2062440), (40, 1959318), (45, 1741616), (48, 1632765), (51, 1536720), (57, 1374960), (60, 1306212), (68, 1152540), (72, 1088510), (76, 1031220), (80, 979659), (85, 922032), (90, 870808), (95, 824976), (102, 768360), (114, 687480), (120, 653106), (136, 576270), (144, 544255), (152, 515610), (153, 512240), (170, 461016), (171, 458320), (180, 435404), (190, 412488), (204, 384180), (228, 343740), (240, 326553), (255, 307344), (272, 288135), (285, 274992), (304, 257805), (306, 256120), (323, 242640), (337, 232560), (340, 230508), (342, 229160), (360, 217702), (380, 206244), (408, 192090), (456, 171870), (510, 153672), (570, 137496), (612, 128060), (646, 121320), (674, 116280), (680, 115254), (684, 114580), (720, 108851), (760, 103122), (765, 102448), (816, 96045), (855, 91664), (912, 85935), (969, 80880), (1011, 77520), (1020, 76836), (1140, 68748), (1224, 64030), (1292, 60660), (1348, 58140), (1360, 57627), (1368, 57290), (1520, 51561), (1530, 51224), (1615, 48528), (1685, 46512), (1710, 45832), (1938, 40440), (2022, 38760), (2040, 38418), (2280, 34374), (2448, 32015), (2584, 30330), (2696, 29070), (2736, 28645), (2907, 26960), (3033, 25840), (3060, 25612), (3230, 24264), (3370, 23256), (3420, 22916), (3876, 20220), (4044, 19380), (4080, 19209), (4560, 17187), (4845, 16176), (5055, 15504), (5168, 15165), (5392, 14535), (5729, 13680), (5814, 13480), (6066, 12920), (6120, 12806), (6403, 12240), (6460, 12132), (6740, 11628), (6840, 11458), (7752, 10110), (8088, 9690)]