7309020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 20811168

約数和(自身を除く): 13502148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 1997, 3660, 3994, 5991, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 121817, 243634, 365451, 487268, 609085, 730902, 1218170, 1461804, 1827255, 2436340, 3654510, 7309020]

約数ペア:

[(1, 7309020), (2, 3654510), (3, 2436340), (4, 1827255), (5, 1461804), (6, 1218170), (10, 730902), (12, 609085), (15, 487268), (20, 365451), (30, 243634), (60, 121817), (61, 119820), (122, 59910), (183, 39940), (244, 29955), (305, 23964), (366, 19970), (610, 11982), (732, 9985), (915, 7988), (1220, 5991), (1830, 3994), (1997, 3660)]