13300020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 41454504

約数和(自身を除く): 28154484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 1997, 2220, 3330, 3994, 5991, 6660, 7988, 9985, 11982, 17973, 19970, 23964, 29955, 35946, 39940, 59910, 71892, 73889, 89865, 119820, 147778, 179730, 221667, 295556, 359460, 369445, 443334, 665001, 738890, 886668, 1108335, 1330002, 1477780, 2216670, 2660004, 3325005, 4433340, 6650010, 13300020]

約数ペア:

[(1, 13300020), (2, 6650010), (3, 4433340), (4, 3325005), (5, 2660004), (6, 2216670), (9, 1477780), (10, 1330002), (12, 1108335), (15, 886668), (18, 738890), (20, 665001), (30, 443334), (36, 369445), (37, 359460), (45, 295556), (60, 221667), (74, 179730), (90, 147778), (111, 119820), (148, 89865), (180, 73889), (185, 71892), (222, 59910), (333, 39940), (370, 35946), (444, 29955), (555, 23964), (666, 19970), (740, 17973), (1110, 11982), (1332, 9985), (1665, 7988), (1997, 6660), (2220, 5991), (3330, 3994)]