16644720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 51996672

約数和(自身を除く): 35351952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 311, 446, 622, 669, 892, 933, 1115, 1244, 1338, 1555, 1784, 1866, 2230, 2488, 2676, 3110, 3345, 3568, 3732, 4460, 4665, 4976, 5352, 6220, 6690, 7464, 8920, 9330, 10704, 12440, 13380, 14928, 17840, 18660, 24880, 26760, 37320, 53520, 69353, 74640, 138706, 208059, 277412, 346765, 416118, 554824, 693530, 832236, 1040295, 1109648, 1387060, 1664472, 2080590, 2774120, 3328944, 4161180, 5548240, 8322360, 16644720]

約数ペア:

[(1, 16644720), (2, 8322360), (3, 5548240), (4, 4161180), (5, 3328944), (6, 2774120), (8, 2080590), (10, 1664472), (12, 1387060), (15, 1109648), (16, 1040295), (20, 832236), (24, 693530), (30, 554824), (40, 416118), (48, 346765), (60, 277412), (80, 208059), (120, 138706), (223, 74640), (240, 69353), (311, 53520), (446, 37320), (622, 26760), (669, 24880), (892, 18660), (933, 17840), (1115, 14928), (1244, 13380), (1338, 12440), (1555, 10704), (1784, 9330), (1866, 8920), (2230, 7464), (2488, 6690), (2676, 6220), (3110, 5352), (3345, 4976), (3568, 4665), (3732, 4460)]