75420520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8689}}^1$

素因数の和:8738

約数の個数: 64

約数和(自身を含む): 200217600

約数和(自身を除く): 124797080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 8689, 17378, 34756, 43445, 60823, 69512, 86890, 121646, 173780, 243292, 269359, 304115, 347560, 486584, 538718, 608230, 1077436, 1216460, 1346795, 1885513, 2154872, 2432920, 2693590, 3771026, 5387180, 7542052, 9427565, 10774360, 15084104, 18855130, 37710260, 75420520]

約数ペア:

[(1, 75420520), (2, 37710260), (4, 18855130), (5, 15084104), (7, 10774360), (8, 9427565), (10, 7542052), (14, 5387180), (20, 3771026), (28, 2693590), (31, 2432920), (35, 2154872), (40, 1885513), (56, 1346795), (62, 1216460), (70, 1077436), (124, 608230), (140, 538718), (155, 486584), (217, 347560), (248, 304115), (280, 269359), (310, 243292), (434, 173780), (620, 121646), (868, 86890), (1085, 69512), (1240, 60823), (1736, 43445), (2170, 34756), (4340, 17378), (8680, 8689)]