645821204840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4357}}^1\times {\mathrm{6701}}^1$

素因数の和:11155

約数の個数: 128

約数和(自身を含む): 1682341401600

約数和(自身を除く): 1036520196760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4357, 4424, 5530, 6701, 8714, 11060, 13402, 17428, 21785, 22120, 26804, 30499, 33505, 34856, 43570, 46907, 53608, 60998, 67010, 87140, 93814, 121996, 134020, 152495, 174280, 187628, 234535, 243992, 268040, 304990, 344203, 375256, 469070, 529379, 609980, 688406, 938140, 1058758, 1219960, 1376812, 1721015, 1876280, 2117516, 2409421, 2646895, 2753624, 3442030, 3705653, 4235032, 4818842, 5293790, 6884060, 7411306, 9637684, 10587580, 12047105, 13768120, 14822612, 18528265, 19275368, 21175160, 24094210, 29196257, 29645224, 37056530, 48188420, 58392514, 74113060, 96376840, 116785028, 145981285, 148226120, 204373799, 233570056, 291962570, 408747598, 583925140, 817495196, 1021868995, 1167850280, 1634990392, 2043737990, 2306504303, 4087475980, 4613008606, 8174951960, 9226017212, 11532521515, 16145530121, 18452034424, 23065043030, 32291060242, 46130086060, 64582120484, 80727650605, 92260172120, 129164240968, 161455301210, 322910602420, 645821204840]

約数ペア:

[(1, 645821204840), (2, 322910602420), (4, 161455301210), (5, 129164240968), (7, 92260172120), (8, 80727650605), (10, 64582120484), (14, 46130086060), (20, 32291060242), (28, 23065043030), (35, 18452034424), (40, 16145530121), (56, 11532521515), (70, 9226017212), (79, 8174951960), (140, 4613008606), (158, 4087475980), (280, 2306504303), (316, 2043737990), (395, 1634990392), (553, 1167850280), (632, 1021868995), (790, 817495196), (1106, 583925140), (1580, 408747598), (2212, 291962570), (2765, 233570056), (3160, 204373799), (4357, 148226120), (4424, 145981285), (5530, 116785028), (6701, 96376840), (8714, 74113060), (11060, 58392514), (13402, 48188420), (17428, 37056530), (21785, 29645224), (22120, 29196257), (26804, 24094210), (30499, 21175160), (33505, 19275368), (34856, 18528265), (43570, 14822612), (46907, 13768120), (53608, 12047105), (60998, 10587580), (67010, 9637684), (87140, 7411306), (93814, 6884060), (121996, 5293790), (134020, 4818842), (152495, 4235032), (174280, 3705653), (187628, 3442030), (234535, 2753624), (243992, 2646895), (268040, 2409421), (304990, 2117516), (344203, 1876280), (375256, 1721015), (469070, 1376812), (529379, 1219960), (609980, 1058758), (688406, 938140)]