1780490040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2119631}}^1$

素因数の和:2119652

約数の個数: 64

約数和(自身を含む): 6104540160

約数和(自身を除く): 4324050120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2119631, 4239262, 6358893, 8478524, 10598155, 12717786, 14837417, 16957048, 21196310, 25435572, 29674834, 31794465, 42392620, 44512251, 50871144, 59349668, 63588930, 74187085, 84785240, 89024502, 118699336, 127177860, 148374170, 178049004, 222561255, 254355720, 296748340, 356098008, 445122510, 593496680, 890245020, 1780490040]

約数ペア:

[(1, 1780490040), (2, 890245020), (3, 593496680), (4, 445122510), (5, 356098008), (6, 296748340), (7, 254355720), (8, 222561255), (10, 178049004), (12, 148374170), (14, 127177860), (15, 118699336), (20, 89024502), (21, 84785240), (24, 74187085), (28, 63588930), (30, 59349668), (35, 50871144), (40, 44512251), (42, 42392620), (56, 31794465), (60, 29674834), (70, 25435572), (84, 21196310), (105, 16957048), (120, 14837417), (140, 12717786), (168, 10598155), (210, 8478524), (280, 6358893), (420, 4239262), (840, 2119631)]