18934321680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{2687}}^1\times {\mathrm{9787}}^1$

素因数の和:12493

約数の個数: 120

約数和(自身を含む): 63617928192

約数和(自身を除く): 44683606512

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 2687, 5374, 8061, 9787, 10748, 13435, 16122, 19574, 21496, 24183, 26870, 29361, 32244, 39148, 40305, 42992, 48366, 48935, 53740, 58722, 64488, 78296, 80610, 88083, 96732, 97870, 107480, 117444, 120915, 128976, 146805, 156592, 161220, 176166, 193464, 195740, 214960, 234888, 241830, 293610, 322440, 352332, 386928, 391480, 440415, 469776, 483660, 587220, 644880, 704664, 782960, 880830, 967320, 1174440, 1409328, 1761660, 1934640, 2348880, 3523320, 7046640, 26297669, 52595338, 78893007, 105190676, 131488345, 157786014, 210381352, 236679021, 262976690, 315572028, 394465035, 420762704, 473358042, 525953380, 631144056, 788930070, 946716084, 1051906760, 1183395105, 1262288112, 1577860140, 1893432168, 2103813520, 2366790210, 3155720280, 3786864336, 4733580420, 6311440560, 9467160840, 18934321680]

約数ペア:

[(1, 18934321680), (2, 9467160840), (3, 6311440560), (4, 4733580420), (5, 3786864336), (6, 3155720280), (8, 2366790210), (9, 2103813520), (10, 1893432168), (12, 1577860140), (15, 1262288112), (16, 1183395105), (18, 1051906760), (20, 946716084), (24, 788930070), (30, 631144056), (36, 525953380), (40, 473358042), (45, 420762704), (48, 394465035), (60, 315572028), (72, 262976690), (80, 236679021), (90, 210381352), (120, 157786014), (144, 131488345), (180, 105190676), (240, 78893007), (360, 52595338), (720, 26297669), (2687, 7046640), (5374, 3523320), (8061, 2348880), (9787, 1934640), (10748, 1761660), (13435, 1409328), (16122, 1174440), (19574, 967320), (21496, 880830), (24183, 782960), (26870, 704664), (29361, 644880), (32244, 587220), (39148, 483660), (40305, 469776), (42992, 440415), (48366, 391480), (48935, 386928), (53740, 352332), (58722, 322440), (64488, 293610), (78296, 241830), (80610, 234888), (88083, 214960), (96732, 195740), (97870, 193464), (107480, 176166), (117444, 161220), (120915, 156592), (128976, 146805)]