21286235280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{59887}}^1$

素因数の和:61384

約数の個数: 80

約数和(自身を含む): 66032987904

約数和(自身を除く): 44746752624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1481, 2962, 4443, 5924, 7405, 8886, 11848, 14810, 17772, 22215, 23696, 29620, 35544, 44430, 59240, 59887, 71088, 88860, 118480, 119774, 177720, 179661, 239548, 299435, 355440, 359322, 479096, 598870, 718644, 898305, 958192, 1197740, 1437288, 1796610, 2395480, 2874576, 3593220, 4790960, 7186440, 14372880, 88692647, 177385294, 266077941, 354770588, 443463235, 532155882, 709541176, 886926470, 1064311764, 1330389705, 1419082352, 1773852940, 2128623528, 2660779410, 3547705880, 4257247056, 5321558820, 7095411760, 10643117640, 21286235280]

約数ペア:

[(1, 21286235280), (2, 10643117640), (3, 7095411760), (4, 5321558820), (5, 4257247056), (6, 3547705880), (8, 2660779410), (10, 2128623528), (12, 1773852940), (15, 1419082352), (16, 1330389705), (20, 1064311764), (24, 886926470), (30, 709541176), (40, 532155882), (48, 443463235), (60, 354770588), (80, 266077941), (120, 177385294), (240, 88692647), (1481, 14372880), (2962, 7186440), (4443, 4790960), (5924, 3593220), (7405, 2874576), (8886, 2395480), (11848, 1796610), (14810, 1437288), (17772, 1197740), (22215, 958192), (23696, 898305), (29620, 718644), (35544, 598870), (44430, 479096), (59240, 359322), (59887, 355440), (71088, 299435), (88860, 239548), (118480, 179661), (119774, 177720)]