42560490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 117262080

約数和(自身を除く): 74701590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389, 521, 778, 1042, 1167, 1563, 1945, 2334, 2605, 2723, 3126, 3647, 3890, 5210, 5446, 5835, 7294, 7815, 8169, 10941, 11670, 13615, 15630, 16338, 18235, 21882, 27230, 36470, 40845, 54705, 81690, 109410, 202669, 405338, 608007, 1013345, 1216014, 1418683, 2026690, 2837366, 3040035, 4256049, 6080070, 7093415, 8512098, 14186830, 21280245, 42560490]

約数ペア:

[(1, 42560490), (2, 21280245), (3, 14186830), (5, 8512098), (6, 7093415), (7, 6080070), (10, 4256049), (14, 3040035), (15, 2837366), (21, 2026690), (30, 1418683), (35, 1216014), (42, 1013345), (70, 608007), (105, 405338), (210, 202669), (389, 109410), (521, 81690), (778, 54705), (1042, 40845), (1167, 36470), (1563, 27230), (1945, 21882), (2334, 18235), (2605, 16338), (2723, 15630), (3126, 13615), (3647, 11670), (3890, 10941), (5210, 8169), (5446, 7815), (5835, 7294)]