1256872560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{18121}}^1$

素因数の和:18171

約数の個数: 120

約数和(自身を含む): 4139209776

約数和(自身を除く): 2882337216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 510, 578, 680, 816, 867, 1020, 1156, 1360, 1445, 1734, 2040, 2312, 2890, 3468, 4080, 4335, 4624, 5780, 6936, 8670, 11560, 13872, 17340, 18121, 23120, 34680, 36242, 54363, 69360, 72484, 90605, 108726, 144968, 181210, 217452, 271815, 289936, 308057, 362420, 434904, 543630, 616114, 724840, 869808, 924171, 1087260, 1232228, 1449680, 1540285, 1848342, 2174520, 2464456, 3080570, 3696684, 4349040, 4620855, 4928912, 5236969, 6161140, 7393368, 9241710, 10473938, 12322280, 14786736, 15710907, 18483420, 20947876, 24644560, 26184845, 31421814, 36966840, 41895752, 52369690, 62843628, 73933680, 78554535, 83791504, 104739380, 125687256, 157109070, 209478760, 251374512, 314218140, 418957520, 628436280, 1256872560]

約数ペア:

[(1, 1256872560), (2, 628436280), (3, 418957520), (4, 314218140), (5, 251374512), (6, 209478760), (8, 157109070), (10, 125687256), (12, 104739380), (15, 83791504), (16, 78554535), (17, 73933680), (20, 62843628), (24, 52369690), (30, 41895752), (34, 36966840), (40, 31421814), (48, 26184845), (51, 24644560), (60, 20947876), (68, 18483420), (80, 15710907), (85, 14786736), (102, 12322280), (120, 10473938), (136, 9241710), (170, 7393368), (204, 6161140), (240, 5236969), (255, 4928912), (272, 4620855), (289, 4349040), (340, 3696684), (408, 3080570), (510, 2464456), (578, 2174520), (680, 1848342), (816, 1540285), (867, 1449680), (1020, 1232228), (1156, 1087260), (1360, 924171), (1445, 869808), (1734, 724840), (2040, 616114), (2312, 543630), (2890, 434904), (3468, 362420), (4080, 308057), (4335, 289936), (4624, 271815), (5780, 217452), (6936, 181210), (8670, 144968), (11560, 108726), (13872, 90605), (17340, 72484), (18121, 69360), (23120, 54363), (34680, 36242)]