15980580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1153}}^1$

素因数の和:1186

約数の個数: 144

約数和(自身を含む): 60488064

約数和(自身を除く): 44507484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1153, 1155, 1260, 1386, 1540, 1980, 2306, 2310, 2772, 3459, 3465, 4612, 4620, 5765, 6918, 6930, 8071, 10377, 11530, 12683, 13836, 13860, 16142, 17295, 20754, 23060, 24213, 25366, 32284, 34590, 38049, 40355, 41508, 48426, 50732, 51885, 63415, 69180, 72639, 76098, 80710, 88781, 96852, 103770, 114147, 121065, 126830, 145278, 152196, 161420, 177562, 190245, 207540, 228294, 242130, 253660, 266343, 290556, 355124, 363195, 380490, 443905, 456588, 484260, 532686, 570735, 726390, 760980, 799029, 887810, 1065372, 1141470, 1331715, 1452780, 1598058, 1775620, 2282940, 2663430, 3196116, 3995145, 5326860, 7990290, 15980580]

約数ペア:

[(1, 15980580), (2, 7990290), (3, 5326860), (4, 3995145), (5, 3196116), (6, 2663430), (7, 2282940), (9, 1775620), (10, 1598058), (11, 1452780), (12, 1331715), (14, 1141470), (15, 1065372), (18, 887810), (20, 799029), (21, 760980), (22, 726390), (28, 570735), (30, 532686), (33, 484260), (35, 456588), (36, 443905), (42, 380490), (44, 363195), (45, 355124), (55, 290556), (60, 266343), (63, 253660), (66, 242130), (70, 228294), (77, 207540), (84, 190245), (90, 177562), (99, 161420), (105, 152196), (110, 145278), (126, 126830), (132, 121065), (140, 114147), (154, 103770), (165, 96852), (180, 88781), (198, 80710), (210, 76098), (220, 72639), (231, 69180), (252, 63415), (308, 51885), (315, 50732), (330, 48426), (385, 41508), (396, 40355), (420, 38049), (462, 34590), (495, 32284), (630, 25366), (660, 24213), (693, 23060), (770, 20754), (924, 17295), (990, 16142), (1153, 13860), (1155, 13836), (1260, 12683), (1386, 11530), (1540, 10377), (1980, 8071), (2306, 6930), (2310, 6918), (2772, 5765), (3459, 4620), (3465, 4612)]