289243920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{172169}}^1$

素因数の和:172192

約数の個数: 80

約数和(自身を含む): 1024755840

約数和(自身を除く): 735511920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 172169, 344338, 516507, 688676, 860845, 1033014, 1205183, 1377352, 1721690, 2066028, 2410366, 2582535, 2754704, 3443380, 3615549, 4132056, 4820732, 5165070, 6025915, 6886760, 7231098, 8264112, 9641464, 10330140, 12051830, 13773520, 14462196, 18077745, 19282928, 20660280, 24103660, 28924392, 36155490, 41320560, 48207320, 57848784, 72310980, 96414640, 144621960, 289243920]

約数ペア:

[(1, 289243920), (2, 144621960), (3, 96414640), (4, 72310980), (5, 57848784), (6, 48207320), (7, 41320560), (8, 36155490), (10, 28924392), (12, 24103660), (14, 20660280), (15, 19282928), (16, 18077745), (20, 14462196), (21, 13773520), (24, 12051830), (28, 10330140), (30, 9641464), (35, 8264112), (40, 7231098), (42, 6886760), (48, 6025915), (56, 5165070), (60, 4820732), (70, 4132056), (80, 3615549), (84, 3443380), (105, 2754704), (112, 2582535), (120, 2410366), (140, 2066028), (168, 1721690), (210, 1377352), (240, 1205183), (280, 1033014), (336, 860845), (420, 688676), (560, 516507), (840, 344338), (1680, 172169)]