1812880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 4713984

約数和(自身を除く): 2901104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 43, 62, 68, 80, 85, 86, 124, 136, 155, 170, 172, 215, 248, 272, 310, 340, 344, 430, 496, 527, 620, 680, 688, 731, 860, 1054, 1240, 1333, 1360, 1462, 1720, 2108, 2480, 2635, 2666, 2924, 3440, 3655, 4216, 5270, 5332, 5848, 6665, 7310, 8432, 10540, 10664, 11696, 13330, 14620, 21080, 21328, 22661, 26660, 29240, 42160, 45322, 53320, 58480, 90644, 106640, 113305, 181288, 226610, 362576, 453220, 906440, 1812880]

約数ペア:

[(1, 1812880), (2, 906440), (4, 453220), (5, 362576), (8, 226610), (10, 181288), (16, 113305), (17, 106640), (20, 90644), (31, 58480), (34, 53320), (40, 45322), (43, 42160), (62, 29240), (68, 26660), (80, 22661), (85, 21328), (86, 21080), (124, 14620), (136, 13330), (155, 11696), (170, 10664), (172, 10540), (215, 8432), (248, 7310), (272, 6665), (310, 5848), (340, 5332), (344, 5270), (430, 4216), (496, 3655), (527, 3440), (620, 2924), (680, 2666), (688, 2635), (731, 2480), (860, 2108), (1054, 1720), (1240, 1462), (1333, 1360)]