2120360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 5356800

約数和(自身を除く): 3236440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 79, 88, 110, 122, 158, 220, 244, 305, 316, 395, 440, 488, 610, 632, 671, 790, 869, 1220, 1342, 1580, 1738, 2440, 2684, 3160, 3355, 3476, 4345, 4819, 5368, 6710, 6952, 8690, 9638, 13420, 17380, 19276, 24095, 26840, 34760, 38552, 48190, 53009, 96380, 106018, 192760, 212036, 265045, 424072, 530090, 1060180, 2120360]

約数ペア:

[(1, 2120360), (2, 1060180), (4, 530090), (5, 424072), (8, 265045), (10, 212036), (11, 192760), (20, 106018), (22, 96380), (40, 53009), (44, 48190), (55, 38552), (61, 34760), (79, 26840), (88, 24095), (110, 19276), (122, 17380), (158, 13420), (220, 9638), (244, 8690), (305, 6952), (316, 6710), (395, 5368), (440, 4819), (488, 4345), (610, 3476), (632, 3355), (671, 3160), (790, 2684), (869, 2440), (1220, 1738), (1342, 1580)]