87704820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 144

約数和(自身を含む): 310722048

約数和(自身を除く): 223017228

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, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1481, 1645, 1692, 1974, 2115, 2820, 2961, 2962, 3290, 3948, 4230, 4443, 4935, 5922, 5924, 6580, 7405, 8460, 8886, 9870, 10367, 11844, 13329, 14805, 14810, 17772, 19740, 20734, 22215, 26658, 29610, 29620, 31101, 41468, 44430, 51835, 53316, 59220, 62202, 66645, 69607, 88860, 93303, 103670, 124404, 133290, 139214, 155505, 186606, 207340, 208821, 266580, 278428, 311010, 348035, 373212, 417642, 466515, 487249, 622020, 626463, 696070, 835284, 933030, 974498, 1044105, 1252926, 1392140, 1461747, 1866060, 1948996, 2088210, 2436245, 2505852, 2923494, 3132315, 4176420, 4385241, 4872490, 5846988, 6264630, 7308735, 8770482, 9744980, 12529260, 14617470, 17540964, 21926205, 29234940, 43852410, 87704820]

約数ペア:

[(1, 87704820), (2, 43852410), (3, 29234940), (4, 21926205), (5, 17540964), (6, 14617470), (7, 12529260), (9, 9744980), (10, 8770482), (12, 7308735), (14, 6264630), (15, 5846988), (18, 4872490), (20, 4385241), (21, 4176420), (28, 3132315), (30, 2923494), (35, 2505852), (36, 2436245), (42, 2088210), (45, 1948996), (47, 1866060), (60, 1461747), (63, 1392140), (70, 1252926), (84, 1044105), (90, 974498), (94, 933030), (105, 835284), (126, 696070), (140, 626463), (141, 622020), (180, 487249), (188, 466515), (210, 417642), (235, 373212), (252, 348035), (282, 311010), (315, 278428), (329, 266580), (420, 208821), (423, 207340), (470, 186606), (564, 155505), (630, 139214), (658, 133290), (705, 124404), (846, 103670), (940, 93303), (987, 88860), (1260, 69607), (1316, 66645), (1410, 62202), (1481, 59220), (1645, 53316), (1692, 51835), (1974, 44430), (2115, 41468), (2820, 31101), (2961, 29620), (2962, 29610), (3290, 26658), (3948, 22215), (4230, 20734), (4443, 19740), (4935, 17772), (5922, 14810), (5924, 14805), (6580, 13329), (7405, 11844), (8460, 10367), (8886, 9870)]