64631940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17659}}^1$

素因数の和:17732

約数の個数: 48

約数和(自身を含む): 183946560

約数和(自身を除く): 119314620

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, 3660, 17659, 35318, 52977, 70636, 88295, 105954, 176590, 211908, 264885, 353180, 529770, 1059540, 1077199, 2154398, 3231597, 4308796, 5385995, 6463194, 10771990, 12926388, 16157985, 21543980, 32315970, 64631940]

約数ペア:

[(1, 64631940), (2, 32315970), (3, 21543980), (4, 16157985), (5, 12926388), (6, 10771990), (10, 6463194), (12, 5385995), (15, 4308796), (20, 3231597), (30, 2154398), (60, 1077199), (61, 1059540), (122, 529770), (183, 353180), (244, 264885), (305, 211908), (366, 176590), (610, 105954), (732, 88295), (915, 70636), (1220, 52977), (1830, 35318), (3660, 17659)]