25917570

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{653}}^1$

素因数の和:686

約数の個数: 120

約数和(自身を含む): 81191484

約数和(自身を除く): 55273914

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 653, 735, 810, 882, 945, 1134, 1306, 1323, 1470, 1890, 1959, 2205, 2646, 2835, 3265, 3918, 3969, 4410, 4571, 5670, 5877, 6530, 6615, 7938, 9142, 9795, 11754, 13230, 13713, 17631, 19590, 19845, 22855, 27426, 29385, 31997, 35262, 39690, 41139, 45710, 52893, 58770, 63994, 68565, 82278, 88155, 95991, 105786, 123417, 137130, 159985, 176310, 191982, 205695, 246834, 264465, 287973, 319970, 370251, 411390, 479955, 528930, 575946, 617085, 740502, 863919, 959910, 1234170, 1439865, 1727838, 1851255, 2591757, 2879730, 3702510, 4319595, 5183514, 8639190, 12958785, 25917570]

約数ペア:

[(1, 25917570), (2, 12958785), (3, 8639190), (5, 5183514), (6, 4319595), (7, 3702510), (9, 2879730), (10, 2591757), (14, 1851255), (15, 1727838), (18, 1439865), (21, 1234170), (27, 959910), (30, 863919), (35, 740502), (42, 617085), (45, 575946), (49, 528930), (54, 479955), (63, 411390), (70, 370251), (81, 319970), (90, 287973), (98, 264465), (105, 246834), (126, 205695), (135, 191982), (147, 176310), (162, 159985), (189, 137130), (210, 123417), (245, 105786), (270, 95991), (294, 88155), (315, 82278), (378, 68565), (405, 63994), (441, 58770), (490, 52893), (567, 45710), (630, 41139), (653, 39690), (735, 35262), (810, 31997), (882, 29385), (945, 27426), (1134, 22855), (1306, 19845), (1323, 19590), (1470, 17631), (1890, 13713), (1959, 13230), (2205, 11754), (2646, 9795), (2835, 9142), (3265, 7938), (3918, 6615), (3969, 6530), (4410, 5877), (4571, 5670)]