331333520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15991}}^1$

素因数の和:16048

約数の個数: 80

約数和(自身を含む): 904251648

約数和(自身を除く): 572918128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 15991, 20720, 31982, 63964, 79955, 111937, 127928, 159910, 223874, 255856, 319820, 447748, 559685, 591667, 639640, 895496, 1119370, 1183334, 1279280, 1790992, 2238740, 2366668, 2958335, 4141669, 4477480, 4733336, 5916670, 8283338, 8954960, 9466672, 11833340, 16566676, 20708345, 23666680, 33133352, 41416690, 47333360, 66266704, 82833380, 165666760, 331333520]

約数ペア:

[(1, 331333520), (2, 165666760), (4, 82833380), (5, 66266704), (7, 47333360), (8, 41416690), (10, 33133352), (14, 23666680), (16, 20708345), (20, 16566676), (28, 11833340), (35, 9466672), (37, 8954960), (40, 8283338), (56, 5916670), (70, 4733336), (74, 4477480), (80, 4141669), (112, 2958335), (140, 2366668), (148, 2238740), (185, 1790992), (259, 1279280), (280, 1183334), (296, 1119370), (370, 895496), (518, 639640), (560, 591667), (592, 559685), (740, 447748), (1036, 319820), (1295, 255856), (1480, 223874), (2072, 159910), (2590, 127928), (2960, 111937), (4144, 79955), (5180, 63964), (10360, 31982), (15991, 20720)]