1628892760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{60689}}^1$

素因数の和:60772

約数の個数: 64

約数和(自身を含む): 4063802400

約数和(自身を除く): 2434909640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 60689, 121378, 242756, 303445, 485512, 606890, 667579, 1213780, 1335158, 2427560, 2670316, 3337895, 3702029, 5340632, 6675790, 7404058, 13351580, 14808116, 18510145, 26703160, 29616232, 37020290, 40722319, 74040580, 81444638, 148081160, 162889276, 203611595, 325778552, 407223190, 814446380, 1628892760]

約数ペア:

[(1, 1628892760), (2, 814446380), (4, 407223190), (5, 325778552), (8, 203611595), (10, 162889276), (11, 148081160), (20, 81444638), (22, 74040580), (40, 40722319), (44, 37020290), (55, 29616232), (61, 26703160), (88, 18510145), (110, 14808116), (122, 13351580), (220, 7404058), (244, 6675790), (305, 5340632), (440, 3702029), (488, 3337895), (610, 2670316), (671, 2427560), (1220, 1335158), (1342, 1213780), (2440, 667579), (2684, 606890), (3355, 485512), (5368, 303445), (6710, 242756), (13420, 121378), (26840, 60689)]