661537656

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{54367}}^1$

素因数の和:54405

約数の個数: 72

約数和(自身を含む): 1940122080

約数和(自身を除く): 1278584424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 54367, 108734, 163101, 217468, 326202, 434936, 489303, 652404, 706771, 978606, 1304808, 1413542, 1957212, 2120313, 2827084, 3914424, 4240626, 5654168, 6360939, 8481252, 9188023, 12721878, 16962504, 18376046, 25443756, 27564069, 36752092, 50887512, 55128138, 73504184, 82692207, 110256276, 165384414, 220512552, 330768828, 661537656]

約数ペア:

[(1, 661537656), (2, 330768828), (3, 220512552), (4, 165384414), (6, 110256276), (8, 82692207), (9, 73504184), (12, 55128138), (13, 50887512), (18, 36752092), (24, 27564069), (26, 25443756), (36, 18376046), (39, 16962504), (52, 12721878), (72, 9188023), (78, 8481252), (104, 6360939), (117, 5654168), (156, 4240626), (169, 3914424), (234, 2827084), (312, 2120313), (338, 1957212), (468, 1413542), (507, 1304808), (676, 978606), (936, 706771), (1014, 652404), (1352, 489303), (1521, 434936), (2028, 326202), (3042, 217468), (4056, 163101), (6084, 108734), (12168, 54367)]