15671960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 39333600

約数和(自身を除く): 23661640

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1213, 1292, 1615, 2426, 2584, 3230, 4852, 6065, 6460, 9704, 12130, 12920, 20621, 23047, 24260, 41242, 46094, 48520, 82484, 92188, 103105, 115235, 164968, 184376, 206210, 230470, 391799, 412420, 460940, 783598, 824840, 921880, 1567196, 1958995, 3134392, 3917990, 7835980, 15671960]

約数ペア:

[(1, 15671960), (2, 7835980), (4, 3917990), (5, 3134392), (8, 1958995), (10, 1567196), (17, 921880), (19, 824840), (20, 783598), (34, 460940), (38, 412420), (40, 391799), (68, 230470), (76, 206210), (85, 184376), (95, 164968), (136, 115235), (152, 103105), (170, 92188), (190, 82484), (323, 48520), (340, 46094), (380, 41242), (646, 24260), (680, 23047), (760, 20621), (1213, 12920), (1292, 12130), (1615, 9704), (2426, 6460), (2584, 6065), (3230, 4852)]