28157160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 88905600

約数和(自身を除く): 60748440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 59, 60, 82, 97, 118, 120, 123, 164, 177, 194, 205, 236, 246, 291, 295, 328, 354, 388, 410, 472, 485, 492, 582, 590, 615, 708, 776, 820, 885, 970, 984, 1164, 1180, 1230, 1416, 1455, 1640, 1770, 1940, 2328, 2360, 2419, 2460, 2910, 3540, 3880, 3977, 4838, 4920, 5723, 5820, 7080, 7257, 7954, 9676, 11446, 11640, 11931, 12095, 14514, 15908, 17169, 19352, 19885, 22892, 23862, 24190, 28615, 29028, 31816, 34338, 36285, 39770, 45784, 47724, 48380, 57230, 58056, 59655, 68676, 72570, 79540, 85845, 95448, 96760, 114460, 119310, 137352, 145140, 159080, 171690, 228920, 234643, 238620, 290280, 343380, 469286, 477240, 686760, 703929, 938572, 1173215, 1407858, 1877144, 2346430, 2815716, 3519645, 4692860, 5631432, 7039290, 9385720, 14078580, 28157160]

約数ペア:

[(1, 28157160), (2, 14078580), (3, 9385720), (4, 7039290), (5, 5631432), (6, 4692860), (8, 3519645), (10, 2815716), (12, 2346430), (15, 1877144), (20, 1407858), (24, 1173215), (30, 938572), (40, 703929), (41, 686760), (59, 477240), (60, 469286), (82, 343380), (97, 290280), (118, 238620), (120, 234643), (123, 228920), (164, 171690), (177, 159080), (194, 145140), (205, 137352), (236, 119310), (246, 114460), (291, 96760), (295, 95448), (328, 85845), (354, 79540), (388, 72570), (410, 68676), (472, 59655), (485, 58056), (492, 57230), (582, 48380), (590, 47724), (615, 45784), (708, 39770), (776, 36285), (820, 34338), (885, 31816), (970, 29028), (984, 28615), (1164, 24190), (1180, 23862), (1230, 22892), (1416, 19885), (1455, 19352), (1640, 17169), (1770, 15908), (1940, 14514), (2328, 12095), (2360, 11931), (2419, 11640), (2460, 11446), (2910, 9676), (3540, 7954), (3880, 7257), (3977, 7080), (4838, 5820), (4920, 5723)]