1375741980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{11813}}^1$

素因数の和:12475

約数の個数: 72

約数和(自身を含む): 4179887712

約数和(自身を除く): 2804145732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1941, 2588, 3235, 3882, 5823, 6470, 7764, 9705, 11646, 11813, 12940, 19410, 23292, 23626, 29115, 35439, 38820, 47252, 58230, 59065, 70878, 106317, 116460, 118130, 141756, 177195, 212634, 236260, 354390, 425268, 531585, 708780, 1063170, 2126340, 7643011, 15286022, 22929033, 30572044, 38215055, 45858066, 68787099, 76430110, 91716132, 114645165, 137574198, 152860220, 229290330, 275148396, 343935495, 458580660, 687870990, 1375741980]

約数ペア:

[(1, 1375741980), (2, 687870990), (3, 458580660), (4, 343935495), (5, 275148396), (6, 229290330), (9, 152860220), (10, 137574198), (12, 114645165), (15, 91716132), (18, 76430110), (20, 68787099), (30, 45858066), (36, 38215055), (45, 30572044), (60, 22929033), (90, 15286022), (180, 7643011), (647, 2126340), (1294, 1063170), (1941, 708780), (2588, 531585), (3235, 425268), (3882, 354390), (5823, 236260), (6470, 212634), (7764, 177195), (9705, 141756), (11646, 118130), (11813, 116460), (12940, 106317), (19410, 70878), (23292, 59065), (23626, 58230), (29115, 47252), (35439, 38820)]