260021040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{17761}}^1$

素因数の和:17838

約数の個数: 80

約数和(自身を含む): 819325536

約数和(自身を除く): 559304496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 17761, 35522, 53283, 71044, 88805, 106566, 142088, 177610, 213132, 266415, 284176, 355220, 426264, 532830, 710440, 852528, 1065660, 1083421, 1420880, 2131320, 2166842, 3250263, 4262640, 4333684, 5417105, 6500526, 8667368, 10834210, 13001052, 16251315, 17334736, 21668420, 26002104, 32502630, 43336840, 52004208, 65005260, 86673680, 130010520, 260021040]

約数ペア:

[(1, 260021040), (2, 130010520), (3, 86673680), (4, 65005260), (5, 52004208), (6, 43336840), (8, 32502630), (10, 26002104), (12, 21668420), (15, 17334736), (16, 16251315), (20, 13001052), (24, 10834210), (30, 8667368), (40, 6500526), (48, 5417105), (60, 4333684), (61, 4262640), (80, 3250263), (120, 2166842), (122, 2131320), (183, 1420880), (240, 1083421), (244, 1065660), (305, 852528), (366, 710440), (488, 532830), (610, 426264), (732, 355220), (915, 284176), (976, 266415), (1220, 213132), (1464, 177610), (1830, 142088), (2440, 106566), (2928, 88805), (3660, 71044), (4880, 53283), (7320, 35522), (14640, 17761)]