128976540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27917}}^1$

素因数の和:27947

約数の個数: 96

約数和(自身を含む): 450261504

約数和(自身を除く): 321284964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 27917, 55834, 83751, 111668, 139585, 167502, 195419, 279170, 307087, 335004, 390838, 418755, 558340, 586257, 614174, 781676, 837510, 921261, 977095, 1172514, 1228348, 1535435, 1675020, 1842522, 1954190, 2149609, 2345028, 2931285, 3070870, 3685044, 3908380, 4299218, 4606305, 5862570, 6141740, 6448827, 8598436, 9212610, 10748045, 11725140, 12897654, 18425220, 21496090, 25795308, 32244135, 42992180, 64488270, 128976540]

約数ペア:

[(1, 128976540), (2, 64488270), (3, 42992180), (4, 32244135), (5, 25795308), (6, 21496090), (7, 18425220), (10, 12897654), (11, 11725140), (12, 10748045), (14, 9212610), (15, 8598436), (20, 6448827), (21, 6141740), (22, 5862570), (28, 4606305), (30, 4299218), (33, 3908380), (35, 3685044), (42, 3070870), (44, 2931285), (55, 2345028), (60, 2149609), (66, 1954190), (70, 1842522), (77, 1675020), (84, 1535435), (105, 1228348), (110, 1172514), (132, 977095), (140, 921261), (154, 837510), (165, 781676), (210, 614174), (220, 586257), (231, 558340), (308, 418755), (330, 390838), (385, 335004), (420, 307087), (462, 279170), (660, 195419), (770, 167502), (924, 139585), (1155, 111668), (1540, 83751), (2310, 55834), (4620, 27917)]