61983960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3943}}^1$

素因数の和:4088

約数の個数: 64

約数和(自身を含む): 187418880

約数和(自身を除く): 125434920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 3943, 5240, 7860, 7886, 11829, 15720, 15772, 19715, 23658, 31544, 39430, 47316, 59145, 78860, 94632, 118290, 157720, 236580, 473160, 516533, 1033066, 1549599, 2066132, 2582665, 3099198, 4132264, 5165330, 6198396, 7747995, 10330660, 12396792, 15495990, 20661320, 30991980, 61983960]

約数ペア:

[(1, 61983960), (2, 30991980), (3, 20661320), (4, 15495990), (5, 12396792), (6, 10330660), (8, 7747995), (10, 6198396), (12, 5165330), (15, 4132264), (20, 3099198), (24, 2582665), (30, 2066132), (40, 1549599), (60, 1033066), (120, 516533), (131, 473160), (262, 236580), (393, 157720), (524, 118290), (655, 94632), (786, 78860), (1048, 59145), (1310, 47316), (1572, 39430), (1965, 31544), (2620, 23658), (3144, 19715), (3930, 15772), (3943, 15720), (5240, 11829), (7860, 7886)]