131747960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{619}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 315381600

約数和(自身を除く): 183633640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 313, 340, 619, 626, 680, 1238, 1252, 1565, 2476, 2504, 3095, 3130, 4952, 5321, 6190, 6260, 10523, 10642, 12380, 12520, 21046, 21284, 24760, 26605, 42092, 42568, 52615, 53210, 84184, 105230, 106420, 193747, 210460, 212840, 387494, 420920, 774988, 968735, 1549976, 1937470, 3293699, 3874940, 6587398, 7749880, 13174796, 16468495, 26349592, 32936990, 65873980, 131747960]

約数ペア:

[(1, 131747960), (2, 65873980), (4, 32936990), (5, 26349592), (8, 16468495), (10, 13174796), (17, 7749880), (20, 6587398), (34, 3874940), (40, 3293699), (68, 1937470), (85, 1549976), (136, 968735), (170, 774988), (313, 420920), (340, 387494), (619, 212840), (626, 210460), (680, 193747), (1238, 106420), (1252, 105230), (1565, 84184), (2476, 53210), (2504, 52615), (3095, 42568), (3130, 42092), (4952, 26605), (5321, 24760), (6190, 21284), (6260, 21046), (10523, 12520), (10642, 12380)]