1787042720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 192

約数和(自身を含む): 4757356800

約数和(自身を除く): 2970314080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 151, 152, 160, 170, 190, 229, 272, 302, 304, 323, 340, 380, 458, 544, 604, 608, 646, 680, 755, 760, 916, 1145, 1208, 1292, 1360, 1510, 1520, 1615, 1832, 2290, 2416, 2567, 2584, 2720, 2869, 3020, 3040, 3230, 3664, 3893, 4351, 4580, 4832, 5134, 5168, 5738, 6040, 6460, 7328, 7786, 8702, 9160, 10268, 10336, 11476, 12080, 12835, 12920, 14345, 15572, 17404, 18320, 19465, 20536, 21755, 22952, 24160, 25670, 25840, 28690, 31144, 34579, 34808, 36640, 38930, 41072, 43510, 45904, 48773, 51340, 51680, 57380, 62288, 69158, 69616, 73967, 77860, 82144, 87020, 91808, 97546, 102680, 114760, 124576, 138316, 139232, 147934, 155720, 172895, 174040, 195092, 205360, 229520, 243865, 276632, 295868, 311440, 345790, 348080, 369835, 390184, 410720, 459040, 487730, 553264, 587843, 591736, 622880, 657001, 691580, 696160, 739670, 780368, 975460, 1106528, 1175686, 1183472, 1314002, 1383160, 1479340, 1560736, 1950920, 2351372, 2366944, 2628004, 2766320, 2939215, 2958680, 3285005, 3901840, 4702744, 5256008, 5532640, 5878430, 5917360, 6570010, 7803680, 9405488, 10512016, 11169017, 11756860, 11834720, 13140020, 18810976, 21024032, 22338034, 23513720, 26280040, 44676068, 47027440, 52560080, 55845085, 89352136, 94054880, 105120160, 111690170, 178704272, 223380340, 357408544, 446760680, 893521360, 1787042720]

約数ペア:

[(1, 1787042720), (2, 893521360), (4, 446760680), (5, 357408544), (8, 223380340), (10, 178704272), (16, 111690170), (17, 105120160), (19, 94054880), (20, 89352136), (32, 55845085), (34, 52560080), (38, 47027440), (40, 44676068), (68, 26280040), (76, 23513720), (80, 22338034), (85, 21024032), (95, 18810976), (136, 13140020), (151, 11834720), (152, 11756860), (160, 11169017), (170, 10512016), (190, 9405488), (229, 7803680), (272, 6570010), (302, 5917360), (304, 5878430), (323, 5532640), (340, 5256008), (380, 4702744), (458, 3901840), (544, 3285005), (604, 2958680), (608, 2939215), (646, 2766320), (680, 2628004), (755, 2366944), (760, 2351372), (916, 1950920), (1145, 1560736), (1208, 1479340), (1292, 1383160), (1360, 1314002), (1510, 1183472), (1520, 1175686), (1615, 1106528), (1832, 975460), (2290, 780368), (2416, 739670), (2567, 696160), (2584, 691580), (2720, 657001), (2869, 622880), (3020, 591736), (3040, 587843), (3230, 553264), (3664, 487730), (3893, 459040), (4351, 410720), (4580, 390184), (4832, 369835), (5134, 348080), (5168, 345790), (5738, 311440), (6040, 295868), (6460, 276632), (7328, 243865), (7786, 229520), (8702, 205360), (9160, 195092), (10268, 174040), (10336, 172895), (11476, 155720), (12080, 147934), (12835, 139232), (12920, 138316), (14345, 124576), (15572, 114760), (17404, 102680), (18320, 97546), (19465, 91808), (20536, 87020), (21755, 82144), (22952, 77860), (24160, 73967), (25670, 69616), (25840, 69158), (28690, 62288), (31144, 57380), (34579, 51680), (34808, 51340), (36640, 48773), (38930, 45904), (41072, 43510)]