78665880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 246758400

約数和(自身を除く): 168092520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 59, 60, 82, 118, 120, 123, 164, 177, 205, 236, 246, 271, 295, 328, 354, 410, 472, 492, 542, 590, 615, 708, 813, 820, 885, 984, 1084, 1180, 1230, 1355, 1416, 1626, 1640, 1770, 2168, 2360, 2419, 2460, 2710, 3252, 3540, 4065, 4838, 4920, 5420, 6504, 7080, 7257, 8130, 9676, 10840, 11111, 12095, 14514, 15989, 16260, 19352, 22222, 24190, 29028, 31978, 32520, 33333, 36285, 44444, 47967, 48380, 55555, 58056, 63956, 66666, 72570, 79945, 88888, 95934, 96760, 111110, 127912, 133332, 145140, 159890, 166665, 191868, 222220, 239835, 266664, 290280, 319780, 333330, 383736, 444440, 479670, 639560, 655549, 666660, 959340, 1311098, 1333320, 1918680, 1966647, 2622196, 3277745, 3933294, 5244392, 6555490, 7866588, 9833235, 13110980, 15733176, 19666470, 26221960, 39332940, 78665880]

約数ペア:

[(1, 78665880), (2, 39332940), (3, 26221960), (4, 19666470), (5, 15733176), (6, 13110980), (8, 9833235), (10, 7866588), (12, 6555490), (15, 5244392), (20, 3933294), (24, 3277745), (30, 2622196), (40, 1966647), (41, 1918680), (59, 1333320), (60, 1311098), (82, 959340), (118, 666660), (120, 655549), (123, 639560), (164, 479670), (177, 444440), (205, 383736), (236, 333330), (246, 319780), (271, 290280), (295, 266664), (328, 239835), (354, 222220), (410, 191868), (472, 166665), (492, 159890), (542, 145140), (590, 133332), (615, 127912), (708, 111110), (813, 96760), (820, 95934), (885, 88888), (984, 79945), (1084, 72570), (1180, 66666), (1230, 63956), (1355, 58056), (1416, 55555), (1626, 48380), (1640, 47967), (1770, 44444), (2168, 36285), (2360, 33333), (2419, 32520), (2460, 31978), (2710, 29028), (3252, 24190), (3540, 22222), (4065, 19352), (4838, 16260), (4920, 15989), (5420, 14514), (6504, 12095), (7080, 11111), (7257, 10840), (8130, 9676)]