1289339920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{24019}}^1$

素因数の和:24104

約数の個数: 80

約数和(自身を含む): 3323983680

約数和(自身を除く): 2034643760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 10736, 13420, 24019, 26840, 48038, 53680, 96076, 120095, 192152, 240190, 264209, 384304, 480380, 528418, 960760, 1056836, 1321045, 1465159, 1921520, 2113672, 2642090, 2930318, 4227344, 5284180, 5860636, 7325795, 10568360, 11721272, 14651590, 16116749, 21136720, 23442544, 29303180, 32233498, 58606360, 64466996, 80583745, 117212720, 128933992, 161167490, 257867984, 322334980, 644669960, 1289339920]

約数ペア:

[(1, 1289339920), (2, 644669960), (4, 322334980), (5, 257867984), (8, 161167490), (10, 128933992), (11, 117212720), (16, 80583745), (20, 64466996), (22, 58606360), (40, 32233498), (44, 29303180), (55, 23442544), (61, 21136720), (80, 16116749), (88, 14651590), (110, 11721272), (122, 10568360), (176, 7325795), (220, 5860636), (244, 5284180), (305, 4227344), (440, 2930318), (488, 2642090), (610, 2113672), (671, 1921520), (880, 1465159), (976, 1321045), (1220, 1056836), (1342, 960760), (2440, 528418), (2684, 480380), (3355, 384304), (4880, 264209), (5368, 240190), (6710, 192152), (10736, 120095), (13420, 96076), (24019, 53680), (26840, 48038)]