9780440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 24559200

約数和(自身を除く): 14778760

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 757, 760, 1292, 1514, 1615, 2584, 3028, 3230, 3785, 6056, 6460, 7570, 12869, 12920, 14383, 15140, 25738, 28766, 30280, 51476, 57532, 64345, 71915, 102952, 115064, 128690, 143830, 244511, 257380, 287660, 489022, 514760, 575320, 978044, 1222555, 1956088, 2445110, 4890220, 9780440]

約数ペア:

[(1, 9780440), (2, 4890220), (4, 2445110), (5, 1956088), (8, 1222555), (10, 978044), (17, 575320), (19, 514760), (20, 489022), (34, 287660), (38, 257380), (40, 244511), (68, 143830), (76, 128690), (85, 115064), (95, 102952), (136, 71915), (152, 64345), (170, 57532), (190, 51476), (323, 30280), (340, 28766), (380, 25738), (646, 15140), (680, 14383), (757, 12920), (760, 12869), (1292, 7570), (1514, 6460), (1615, 6056), (2584, 3785), (3028, 3230)]