8927720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 22420800

約数和(自身を除く): 13493080

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, 691, 760, 1292, 1382, 1615, 2584, 2764, 3230, 3455, 5528, 6460, 6910, 11747, 12920, 13129, 13820, 23494, 26258, 27640, 46988, 52516, 58735, 65645, 93976, 105032, 117470, 131290, 223193, 234940, 262580, 446386, 469880, 525160, 892772, 1115965, 1785544, 2231930, 4463860, 8927720]

約数ペア:

[(1, 8927720), (2, 4463860), (4, 2231930), (5, 1785544), (8, 1115965), (10, 892772), (17, 525160), (19, 469880), (20, 446386), (34, 262580), (38, 234940), (40, 223193), (68, 131290), (76, 117470), (85, 105032), (95, 93976), (136, 65645), (152, 58735), (170, 52516), (190, 46988), (323, 27640), (340, 26258), (380, 23494), (646, 13820), (680, 13129), (691, 12920), (760, 11747), (1292, 6910), (1382, 6460), (1615, 5528), (2584, 3455), (2764, 3230)]