1781010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 5795712

約数和(自身を除く): 4014702

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 154, 165, 198, 210, 231, 257, 315, 330, 385, 462, 495, 514, 630, 693, 770, 771, 990, 1155, 1285, 1386, 1542, 1799, 2310, 2313, 2570, 2827, 3465, 3598, 3855, 4626, 5397, 5654, 6930, 7710, 8481, 8995, 10794, 11565, 14135, 16191, 16962, 17990, 19789, 23130, 25443, 26985, 28270, 32382, 39578, 42405, 50886, 53970, 59367, 80955, 84810, 98945, 118734, 127215, 161910, 178101, 197890, 254430, 296835, 356202, 593670, 890505, 1781010]

約数ペア:

[(1, 1781010), (2, 890505), (3, 593670), (5, 356202), (6, 296835), (7, 254430), (9, 197890), (10, 178101), (11, 161910), (14, 127215), (15, 118734), (18, 98945), (21, 84810), (22, 80955), (30, 59367), (33, 53970), (35, 50886), (42, 42405), (45, 39578), (55, 32382), (63, 28270), (66, 26985), (70, 25443), (77, 23130), (90, 19789), (99, 17990), (105, 16962), (110, 16191), (126, 14135), (154, 11565), (165, 10794), (198, 8995), (210, 8481), (231, 7710), (257, 6930), (315, 5654), (330, 5397), (385, 4626), (462, 3855), (495, 3598), (514, 3465), (630, 2827), (693, 2570), (770, 2313), (771, 2310), (990, 1799), (1155, 1542), (1285, 1386)]