128261040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8761}}^1$

素因数の和:8838

約数の個数: 80

約数和(自身を含む): 404173536

約数和(自身を除く): 275912496

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, 8761, 14640, 17522, 26283, 35044, 43805, 52566, 70088, 87610, 105132, 131415, 140176, 175220, 210264, 262830, 350440, 420528, 525660, 534421, 700880, 1051320, 1068842, 1603263, 2102640, 2137684, 2672105, 3206526, 4275368, 5344210, 6413052, 8016315, 8550736, 10688420, 12826104, 16032630, 21376840, 25652208, 32065260, 42753680, 64130520, 128261040]

約数ペア:

[(1, 128261040), (2, 64130520), (3, 42753680), (4, 32065260), (5, 25652208), (6, 21376840), (8, 16032630), (10, 12826104), (12, 10688420), (15, 8550736), (16, 8016315), (20, 6413052), (24, 5344210), (30, 4275368), (40, 3206526), (48, 2672105), (60, 2137684), (61, 2102640), (80, 1603263), (120, 1068842), (122, 1051320), (183, 700880), (240, 534421), (244, 525660), (305, 420528), (366, 350440), (488, 262830), (610, 210264), (732, 175220), (915, 140176), (976, 131415), (1220, 105132), (1464, 87610), (1830, 70088), (2440, 52566), (2928, 43805), (3660, 35044), (4880, 26283), (7320, 17522), (8761, 14640)]