2153669560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2098

約数の個数: 128

約数和(自身を含む): 5725440000

約数和(自身を除く): 3571770440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 79, 98, 140, 158, 196, 245, 280, 316, 343, 392, 395, 490, 553, 632, 686, 790, 980, 1106, 1372, 1580, 1715, 1960, 1987, 2212, 2744, 2765, 3160, 3430, 3871, 3974, 4424, 5530, 6860, 7742, 7948, 9935, 11060, 13720, 13909, 15484, 15896, 19355, 19870, 22120, 27097, 27818, 30968, 38710, 39740, 54194, 55636, 69545, 77420, 79480, 97363, 108388, 111272, 135485, 139090, 154840, 156973, 194726, 216776, 270970, 278180, 313946, 389452, 486815, 541940, 556360, 627892, 681541, 778904, 784865, 973630, 1083880, 1098811, 1255784, 1363082, 1569730, 1947260, 2197622, 2726164, 3139460, 3407705, 3894520, 4395244, 5452328, 5494055, 6278920, 6815410, 7691677, 8790488, 10988110, 13630820, 15383354, 21976220, 27261640, 30766708, 38458385, 43952440, 53841739, 61533416, 76916770, 107683478, 153833540, 215366956, 269208695, 307667080, 430733912, 538417390, 1076834780, 2153669560]

約数ペア:

[(1, 2153669560), (2, 1076834780), (4, 538417390), (5, 430733912), (7, 307667080), (8, 269208695), (10, 215366956), (14, 153833540), (20, 107683478), (28, 76916770), (35, 61533416), (40, 53841739), (49, 43952440), (56, 38458385), (70, 30766708), (79, 27261640), (98, 21976220), (140, 15383354), (158, 13630820), (196, 10988110), (245, 8790488), (280, 7691677), (316, 6815410), (343, 6278920), (392, 5494055), (395, 5452328), (490, 4395244), (553, 3894520), (632, 3407705), (686, 3139460), (790, 2726164), (980, 2197622), (1106, 1947260), (1372, 1569730), (1580, 1363082), (1715, 1255784), (1960, 1098811), (1987, 1083880), (2212, 973630), (2744, 784865), (2765, 778904), (3160, 681541), (3430, 627892), (3871, 556360), (3974, 541940), (4424, 486815), (5530, 389452), (6860, 313946), (7742, 278180), (7948, 270970), (9935, 216776), (11060, 194726), (13720, 156973), (13909, 154840), (15484, 139090), (15896, 135485), (19355, 111272), (19870, 108388), (22120, 97363), (27097, 79480), (27818, 77420), (30968, 69545), (38710, 55636), (39740, 54194)]