81777360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{48677}}^1$

素因数の和:48700

約数の個数: 80

約数和(自身を含む): 289731456

約数和(自身を除く): 207954096

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, 48677, 97354, 146031, 194708, 243385, 292062, 340739, 389416, 486770, 584124, 681478, 730155, 778832, 973540, 1022217, 1168248, 1362956, 1460310, 1703695, 1947080, 2044434, 2336496, 2725912, 2920620, 3407390, 3894160, 4088868, 5111085, 5451824, 5841240, 6814780, 8177736, 10222170, 11682480, 13629560, 16355472, 20444340, 27259120, 40888680, 81777360]

約数ペア:

[(1, 81777360), (2, 40888680), (3, 27259120), (4, 20444340), (5, 16355472), (6, 13629560), (7, 11682480), (8, 10222170), (10, 8177736), (12, 6814780), (14, 5841240), (15, 5451824), (16, 5111085), (20, 4088868), (21, 3894160), (24, 3407390), (28, 2920620), (30, 2725912), (35, 2336496), (40, 2044434), (42, 1947080), (48, 1703695), (56, 1460310), (60, 1362956), (70, 1168248), (80, 1022217), (84, 973540), (105, 778832), (112, 730155), (120, 681478), (140, 584124), (168, 486770), (210, 389416), (240, 340739), (280, 292062), (336, 243385), (420, 194708), (560, 146031), (840, 97354), (1680, 48677)]