64945560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23531}}^1$

素因数の和:23568

約数の個数: 64

約数和(自身を含む): 203316480

約数和(自身を除く): 138370920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 23531, 47062, 70593, 94124, 117655, 141186, 188248, 235310, 282372, 352965, 470620, 541213, 564744, 705930, 941240, 1082426, 1411860, 1623639, 2164852, 2706065, 2823720, 3247278, 4329704, 5412130, 6494556, 8118195, 10824260, 12989112, 16236390, 21648520, 32472780, 64945560]

約数ペア:

[(1, 64945560), (2, 32472780), (3, 21648520), (4, 16236390), (5, 12989112), (6, 10824260), (8, 8118195), (10, 6494556), (12, 5412130), (15, 4329704), (20, 3247278), (23, 2823720), (24, 2706065), (30, 2164852), (40, 1623639), (46, 1411860), (60, 1082426), (69, 941240), (92, 705930), (115, 564744), (120, 541213), (138, 470620), (184, 352965), (230, 282372), (276, 235310), (345, 188248), (460, 141186), (552, 117655), (690, 94124), (920, 70593), (1380, 47062), (2760, 23531)]