16401720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1327}}^1$

素因数の和:1444

約数の個数: 64

約数和(自身を含む): 49720320

約数和(自身を除く): 33318600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1327, 1545, 2060, 2472, 2654, 3090, 3981, 4120, 5308, 6180, 6635, 7962, 10616, 12360, 13270, 15924, 19905, 26540, 31848, 39810, 53080, 79620, 136681, 159240, 273362, 410043, 546724, 683405, 820086, 1093448, 1366810, 1640172, 2050215, 2733620, 3280344, 4100430, 5467240, 8200860, 16401720]

約数ペア:

[(1, 16401720), (2, 8200860), (3, 5467240), (4, 4100430), (5, 3280344), (6, 2733620), (8, 2050215), (10, 1640172), (12, 1366810), (15, 1093448), (20, 820086), (24, 683405), (30, 546724), (40, 410043), (60, 273362), (103, 159240), (120, 136681), (206, 79620), (309, 53080), (412, 39810), (515, 31848), (618, 26540), (824, 19905), (1030, 15924), (1236, 13270), (1327, 12360), (1545, 10616), (2060, 7962), (2472, 6635), (2654, 6180), (3090, 5308), (3981, 4120)]