15321760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 39517632

約数和(自身を除く): 24195872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 131, 136, 160, 170, 172, 215, 262, 272, 340, 344, 430, 524, 544, 655, 680, 688, 731, 860, 1048, 1310, 1360, 1376, 1462, 1720, 2096, 2227, 2620, 2720, 2924, 3440, 3655, 4192, 4454, 5240, 5633, 5848, 6880, 7310, 8908, 10480, 11135, 11266, 11696, 14620, 17816, 20960, 22270, 22532, 23392, 28165, 29240, 35632, 44540, 45064, 56330, 58480, 71264, 89080, 90128, 95761, 112660, 116960, 178160, 180256, 191522, 225320, 356320, 383044, 450640, 478805, 766088, 901280, 957610, 1532176, 1915220, 3064352, 3830440, 7660880, 15321760]

約数ペア:

[(1, 15321760), (2, 7660880), (4, 3830440), (5, 3064352), (8, 1915220), (10, 1532176), (16, 957610), (17, 901280), (20, 766088), (32, 478805), (34, 450640), (40, 383044), (43, 356320), (68, 225320), (80, 191522), (85, 180256), (86, 178160), (131, 116960), (136, 112660), (160, 95761), (170, 90128), (172, 89080), (215, 71264), (262, 58480), (272, 56330), (340, 45064), (344, 44540), (430, 35632), (524, 29240), (544, 28165), (655, 23392), (680, 22532), (688, 22270), (731, 20960), (860, 17816), (1048, 14620), (1310, 11696), (1360, 11266), (1376, 11135), (1462, 10480), (1720, 8908), (2096, 7310), (2227, 6880), (2620, 5848), (2720, 5633), (2924, 5240), (3440, 4454), (3655, 4192)]