204151320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 683640000

約数和(自身を除く): 479488680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 449, 540, 842, 898, 1080, 1263, 1347, 1684, 1796, 2105, 2245, 2526, 2694, 3368, 3592, 3789, 4041, 4210, 4490, 5052, 5388, 6315, 6735, 7578, 8082, 8420, 8980, 10104, 10776, 11367, 12123, 12630, 13470, 15156, 16164, 16840, 17960, 18945, 20205, 22734, 24246, 25260, 26940, 30312, 32328, 37890, 40410, 45468, 48492, 50520, 53880, 56835, 60615, 75780, 80820, 90936, 96984, 113670, 121230, 151560, 161640, 189029, 227340, 242460, 378058, 454680, 484920, 567087, 756116, 945145, 1134174, 1512232, 1701261, 1890290, 2268348, 2835435, 3402522, 3780580, 4536696, 5103783, 5670870, 6805044, 7561160, 8506305, 10207566, 11341740, 13610088, 17012610, 20415132, 22683480, 25518915, 34025220, 40830264, 51037830, 68050440, 102075660, 204151320]

約数ペア:

[(1, 204151320), (2, 102075660), (3, 68050440), (4, 51037830), (5, 40830264), (6, 34025220), (8, 25518915), (9, 22683480), (10, 20415132), (12, 17012610), (15, 13610088), (18, 11341740), (20, 10207566), (24, 8506305), (27, 7561160), (30, 6805044), (36, 5670870), (40, 5103783), (45, 4536696), (54, 3780580), (60, 3402522), (72, 2835435), (90, 2268348), (108, 1890290), (120, 1701261), (135, 1512232), (180, 1134174), (216, 945145), (270, 756116), (360, 567087), (421, 484920), (449, 454680), (540, 378058), (842, 242460), (898, 227340), (1080, 189029), (1263, 161640), (1347, 151560), (1684, 121230), (1796, 113670), (2105, 96984), (2245, 90936), (2526, 80820), (2694, 75780), (3368, 60615), (3592, 56835), (3789, 53880), (4041, 50520), (4210, 48492), (4490, 45468), (5052, 40410), (5388, 37890), (6315, 32328), (6735, 30312), (7578, 26940), (8082, 25260), (8420, 24246), (8980, 22734), (10104, 20205), (10776, 18945), (11367, 17960), (12123, 16840), (12630, 16164), (13470, 15156)]