816958920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:695

約数の個数: 128

約数和(自身を含む): 2496349440

約数和(自身を除く): 1679390520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 157, 206, 309, 314, 412, 421, 471, 515, 618, 628, 785, 824, 842, 942, 1030, 1236, 1256, 1263, 1545, 1570, 1684, 1884, 2060, 2105, 2355, 2472, 2526, 3090, 3140, 3368, 3768, 4120, 4210, 4710, 5052, 6180, 6280, 6315, 8420, 9420, 10104, 12360, 12630, 16171, 16840, 18840, 25260, 32342, 43363, 48513, 50520, 64684, 66097, 80855, 86726, 97026, 129368, 130089, 132194, 161710, 173452, 194052, 198291, 216815, 242565, 260178, 264388, 323420, 330485, 346904, 388104, 396582, 433630, 485130, 520356, 528776, 646840, 650445, 660970, 793164, 867260, 970260, 991455, 1040712, 1300890, 1321940, 1586328, 1734520, 1940520, 1982910, 2601780, 2643880, 3965820, 5203560, 6807991, 7931640, 13615982, 20423973, 27231964, 34039955, 40847946, 54463928, 68079910, 81695892, 102119865, 136159820, 163391784, 204239730, 272319640, 408479460, 816958920]

約数ペア:

[(1, 816958920), (2, 408479460), (3, 272319640), (4, 204239730), (5, 163391784), (6, 136159820), (8, 102119865), (10, 81695892), (12, 68079910), (15, 54463928), (20, 40847946), (24, 34039955), (30, 27231964), (40, 20423973), (60, 13615982), (103, 7931640), (120, 6807991), (157, 5203560), (206, 3965820), (309, 2643880), (314, 2601780), (412, 1982910), (421, 1940520), (471, 1734520), (515, 1586328), (618, 1321940), (628, 1300890), (785, 1040712), (824, 991455), (842, 970260), (942, 867260), (1030, 793164), (1236, 660970), (1256, 650445), (1263, 646840), (1545, 528776), (1570, 520356), (1684, 485130), (1884, 433630), (2060, 396582), (2105, 388104), (2355, 346904), (2472, 330485), (2526, 323420), (3090, 264388), (3140, 260178), (3368, 242565), (3768, 216815), (4120, 198291), (4210, 194052), (4710, 173452), (5052, 161710), (6180, 132194), (6280, 130089), (6315, 129368), (8420, 97026), (9420, 86726), (10104, 80855), (12360, 66097), (12630, 64684), (16171, 50520), (16840, 48513), (18840, 43363), (25260, 32342)]