2664755720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1167

約数の個数: 128

約数和(自身を含む): 6720641280

約数和(自身を除く): 4055885560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 101, 110, 122, 202, 220, 244, 305, 404, 440, 488, 505, 610, 671, 808, 983, 1010, 1111, 1220, 1342, 1966, 2020, 2222, 2440, 2684, 3355, 3932, 4040, 4444, 4915, 5368, 5555, 6161, 6710, 7864, 8888, 9830, 10813, 11110, 12322, 13420, 19660, 21626, 22220, 24644, 26840, 30805, 39320, 43252, 44440, 49288, 54065, 59963, 61610, 67771, 86504, 99283, 108130, 119926, 123220, 135542, 198566, 216260, 239852, 246440, 271084, 299815, 338855, 397132, 432520, 479704, 496415, 542168, 599630, 659593, 677710, 794264, 992830, 1092113, 1199260, 1319186, 1355420, 1985660, 2184226, 2398520, 2638372, 2710840, 3297965, 3971320, 4368452, 5276744, 5460565, 6056263, 6595930, 8736904, 10921130, 12112526, 13191860, 21842260, 24225052, 26383720, 30281315, 43684520, 48450104, 60562630, 66618893, 121125260, 133237786, 242250520, 266475572, 333094465, 532951144, 666188930, 1332377860, 2664755720]

約数ペア:

[(1, 2664755720), (2, 1332377860), (4, 666188930), (5, 532951144), (8, 333094465), (10, 266475572), (11, 242250520), (20, 133237786), (22, 121125260), (40, 66618893), (44, 60562630), (55, 48450104), (61, 43684520), (88, 30281315), (101, 26383720), (110, 24225052), (122, 21842260), (202, 13191860), (220, 12112526), (244, 10921130), (305, 8736904), (404, 6595930), (440, 6056263), (488, 5460565), (505, 5276744), (610, 4368452), (671, 3971320), (808, 3297965), (983, 2710840), (1010, 2638372), (1111, 2398520), (1220, 2184226), (1342, 1985660), (1966, 1355420), (2020, 1319186), (2222, 1199260), (2440, 1092113), (2684, 992830), (3355, 794264), (3932, 677710), (4040, 659593), (4444, 599630), (4915, 542168), (5368, 496415), (5555, 479704), (6161, 432520), (6710, 397132), (7864, 338855), (8888, 299815), (9830, 271084), (10813, 246440), (11110, 239852), (12322, 216260), (13420, 198566), (19660, 135542), (21626, 123220), (22220, 119926), (24644, 108130), (26840, 99283), (30805, 86504), (39320, 67771), (43252, 61610), (44440, 59963), (49288, 54065)]