25997580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 66254580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 439, 470, 564, 630, 658, 705, 846, 878, 940, 987, 1260, 1316, 1317, 1410, 1645, 1692, 1756, 1974, 2115, 2195, 2634, 2820, 2961, 3073, 3290, 3948, 3951, 4230, 4390, 4935, 5268, 5922, 6146, 6580, 6585, 7902, 8460, 8780, 9219, 9870, 11844, 12292, 13170, 14805, 15365, 15804, 18438, 19740, 19755, 20633, 26340, 27657, 29610, 30730, 36876, 39510, 41266, 46095, 55314, 59220, 61460, 61899, 79020, 82532, 92190, 103165, 110628, 123798, 138285, 144431, 184380, 185697, 206330, 247596, 276570, 288862, 309495, 371394, 412660, 433293, 553140, 577724, 618990, 722155, 742788, 866586, 928485, 1237980, 1299879, 1444310, 1733172, 1856970, 2166465, 2599758, 2888620, 3713940, 4332930, 5199516, 6499395, 8665860, 12998790, 25997580]

約数ペア:

[(1, 25997580), (2, 12998790), (3, 8665860), (4, 6499395), (5, 5199516), (6, 4332930), (7, 3713940), (9, 2888620), (10, 2599758), (12, 2166465), (14, 1856970), (15, 1733172), (18, 1444310), (20, 1299879), (21, 1237980), (28, 928485), (30, 866586), (35, 742788), (36, 722155), (42, 618990), (45, 577724), (47, 553140), (60, 433293), (63, 412660), (70, 371394), (84, 309495), (90, 288862), (94, 276570), (105, 247596), (126, 206330), (140, 185697), (141, 184380), (180, 144431), (188, 138285), (210, 123798), (235, 110628), (252, 103165), (282, 92190), (315, 82532), (329, 79020), (420, 61899), (423, 61460), (439, 59220), (470, 55314), (564, 46095), (630, 41266), (658, 39510), (705, 36876), (846, 30730), (878, 29610), (940, 27657), (987, 26340), (1260, 20633), (1316, 19755), (1317, 19740), (1410, 18438), (1645, 15804), (1692, 15365), (1756, 14805), (1974, 13170), (2115, 12292), (2195, 11844), (2634, 9870), (2820, 9219), (2961, 8780), (3073, 8460), (3290, 7902), (3948, 6585), (3951, 6580), (4230, 6146), (4390, 5922), (4935, 5268)]