87780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:49

約数の個数: 96

約数和(自身を含む): 322560

約数和(自身を除く): 234780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 770, 798, 836, 924, 1045, 1140, 1155, 1254, 1330, 1463, 1540, 1596, 1995, 2090, 2310, 2508, 2660, 2926, 3135, 3990, 4180, 4389, 4620, 5852, 6270, 7315, 7980, 8778, 12540, 14630, 17556, 21945, 29260, 43890, 87780]

約数ペア:

[(1, 87780), (2, 43890), (3, 29260), (4, 21945), (5, 17556), (6, 14630), (7, 12540), (10, 8778), (11, 7980), (12, 7315), (14, 6270), (15, 5852), (19, 4620), (20, 4389), (21, 4180), (22, 3990), (28, 3135), (30, 2926), (33, 2660), (35, 2508), (38, 2310), (42, 2090), (44, 1995), (55, 1596), (57, 1540), (60, 1463), (66, 1330), (70, 1254), (76, 1155), (77, 1140), (84, 1045), (95, 924), (105, 836), (110, 798), (114, 770), (132, 665), (133, 660), (140, 627), (154, 570), (165, 532), (190, 462), (209, 420), (210, 418), (220, 399), (228, 385), (231, 380), (266, 330), (285, 308)]