81162480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48311}}^1$

素因数の和:48334

約数の個数: 80

約数和(自身を含む): 287553024

約数和(自身を除く): 206390544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 48311, 96622, 144933, 193244, 241555, 289866, 338177, 386488, 483110, 579732, 676354, 724665, 772976, 966220, 1014531, 1159464, 1352708, 1449330, 1690885, 1932440, 2029062, 2318928, 2705416, 2898660, 3381770, 3864880, 4058124, 5072655, 5410832, 5797320, 6763540, 8116248, 10145310, 11594640, 13527080, 16232496, 20290620, 27054160, 40581240, 81162480]

約数ペア:

[(1, 81162480), (2, 40581240), (3, 27054160), (4, 20290620), (5, 16232496), (6, 13527080), (7, 11594640), (8, 10145310), (10, 8116248), (12, 6763540), (14, 5797320), (15, 5410832), (16, 5072655), (20, 4058124), (21, 3864880), (24, 3381770), (28, 2898660), (30, 2705416), (35, 2318928), (40, 2029062), (42, 1932440), (48, 1690885), (56, 1449330), (60, 1352708), (70, 1159464), (80, 1014531), (84, 966220), (105, 772976), (112, 724665), (120, 676354), (140, 579732), (168, 483110), (210, 386488), (240, 338177), (280, 289866), (336, 241555), (420, 193244), (560, 144933), (840, 96622), (1680, 48311)]