68704020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4957}}^1$

素因数の和:4990

約数の個数: 144

約数和(自身を含む): 259878528

約数和(自身を除く): 191174508

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, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 4957, 6930, 9914, 13860, 14871, 19828, 24785, 29742, 34699, 44613, 49570, 54527, 59484, 69398, 74355, 89226, 99140, 104097, 109054, 138796, 148710, 163581, 173495, 178452, 208194, 218108, 223065, 272635, 297420, 312291, 327162, 346990, 381689, 416388, 446130, 490743, 520485, 545270, 624582, 654324, 693980, 763378, 817905, 892260, 981486, 1040970, 1090540, 1145067, 1249164, 1526756, 1561455, 1635810, 1908445, 1962972, 2081940, 2290134, 2453715, 3122910, 3271620, 3435201, 3816890, 4580268, 4907430, 5725335, 6245820, 6870402, 7633780, 9814860, 11450670, 13740804, 17176005, 22901340, 34352010, 68704020]

約数ペア:

[(1, 68704020), (2, 34352010), (3, 22901340), (4, 17176005), (5, 13740804), (6, 11450670), (7, 9814860), (9, 7633780), (10, 6870402), (11, 6245820), (12, 5725335), (14, 4907430), (15, 4580268), (18, 3816890), (20, 3435201), (21, 3271620), (22, 3122910), (28, 2453715), (30, 2290134), (33, 2081940), (35, 1962972), (36, 1908445), (42, 1635810), (44, 1561455), (45, 1526756), (55, 1249164), (60, 1145067), (63, 1090540), (66, 1040970), (70, 981486), (77, 892260), (84, 817905), (90, 763378), (99, 693980), (105, 654324), (110, 624582), (126, 545270), (132, 520485), (140, 490743), (154, 446130), (165, 416388), (180, 381689), (198, 346990), (210, 327162), (220, 312291), (231, 297420), (252, 272635), (308, 223065), (315, 218108), (330, 208194), (385, 178452), (396, 173495), (420, 163581), (462, 148710), (495, 138796), (630, 109054), (660, 104097), (693, 99140), (770, 89226), (924, 74355), (990, 69398), (1155, 59484), (1260, 54527), (1386, 49570), (1540, 44613), (1980, 34699), (2310, 29742), (2772, 24785), (3465, 19828), (4620, 14871), (4957, 13860), (6930, 9914)]