2781563840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1877}}^1$

素因数の和:2326

約数の個数: 112

約数和(自身を含む): 7246766304

約数和(自身を除く): 4465202464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 421, 440, 704, 842, 880, 1684, 1760, 1877, 2105, 3368, 3520, 3754, 4210, 4631, 6736, 7508, 8420, 9262, 9385, 13472, 15016, 16840, 18524, 18770, 20647, 23155, 26944, 30032, 33680, 37048, 37540, 41294, 46310, 60064, 67360, 74096, 75080, 82588, 92620, 103235, 120128, 134720, 148192, 150160, 165176, 185240, 206470, 296384, 300320, 330352, 370480, 412940, 600640, 660704, 740960, 790217, 825880, 1321408, 1481920, 1580434, 1651760, 3160868, 3303520, 3951085, 6321736, 6607040, 7902170, 8692387, 12643472, 15804340, 17384774, 25286944, 31608680, 34769548, 43461935, 50573888, 63217360, 69539096, 86923870, 126434720, 139078192, 173847740, 252869440, 278156384, 347695480, 556312768, 695390960, 1390781920, 2781563840]

約数ペア:

[(1, 2781563840), (2, 1390781920), (4, 695390960), (5, 556312768), (8, 347695480), (10, 278156384), (11, 252869440), (16, 173847740), (20, 139078192), (22, 126434720), (32, 86923870), (40, 69539096), (44, 63217360), (55, 50573888), (64, 43461935), (80, 34769548), (88, 31608680), (110, 25286944), (160, 17384774), (176, 15804340), (220, 12643472), (320, 8692387), (352, 7902170), (421, 6607040), (440, 6321736), (704, 3951085), (842, 3303520), (880, 3160868), (1684, 1651760), (1760, 1580434), (1877, 1481920), (2105, 1321408), (3368, 825880), (3520, 790217), (3754, 740960), (4210, 660704), (4631, 600640), (6736, 412940), (7508, 370480), (8420, 330352), (9262, 300320), (9385, 296384), (13472, 206470), (15016, 185240), (16840, 165176), (18524, 150160), (18770, 148192), (20647, 134720), (23155, 120128), (26944, 103235), (30032, 92620), (33680, 82588), (37048, 75080), (37540, 74096), (41294, 67360), (46310, 60064)]