71435280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 160

約数和(自身を含む): 256197888

約数和(自身を除く): 184762608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 101, 105, 112, 120, 140, 168, 202, 210, 240, 280, 303, 336, 404, 420, 421, 505, 560, 606, 707, 808, 840, 842, 1010, 1212, 1263, 1414, 1515, 1616, 1680, 1684, 2020, 2105, 2121, 2424, 2526, 2828, 2947, 3030, 3368, 3535, 4040, 4210, 4242, 4848, 5052, 5656, 5894, 6060, 6315, 6736, 7070, 8080, 8420, 8484, 8841, 10104, 10605, 11312, 11788, 12120, 12630, 14140, 14735, 16840, 16968, 17682, 20208, 21210, 23576, 24240, 25260, 28280, 29470, 33680, 33936, 35364, 42420, 42521, 44205, 47152, 50520, 56560, 58940, 70728, 84840, 85042, 88410, 101040, 117880, 127563, 141456, 169680, 170084, 176820, 212605, 235760, 255126, 297647, 340168, 353640, 425210, 510252, 595294, 637815, 680336, 707280, 850420, 892941, 1020504, 1190588, 1275630, 1488235, 1700840, 1785882, 2041008, 2381176, 2551260, 2976470, 3401680, 3571764, 4464705, 4762352, 5102520, 5952940, 7143528, 8929410, 10205040, 11905880, 14287056, 17858820, 23811760, 35717640, 71435280]

約数ペア:

[(1, 71435280), (2, 35717640), (3, 23811760), (4, 17858820), (5, 14287056), (6, 11905880), (7, 10205040), (8, 8929410), (10, 7143528), (12, 5952940), (14, 5102520), (15, 4762352), (16, 4464705), (20, 3571764), (21, 3401680), (24, 2976470), (28, 2551260), (30, 2381176), (35, 2041008), (40, 1785882), (42, 1700840), (48, 1488235), (56, 1275630), (60, 1190588), (70, 1020504), (80, 892941), (84, 850420), (101, 707280), (105, 680336), (112, 637815), (120, 595294), (140, 510252), (168, 425210), (202, 353640), (210, 340168), (240, 297647), (280, 255126), (303, 235760), (336, 212605), (404, 176820), (420, 170084), (421, 169680), (505, 141456), (560, 127563), (606, 117880), (707, 101040), (808, 88410), (840, 85042), (842, 84840), (1010, 70728), (1212, 58940), (1263, 56560), (1414, 50520), (1515, 47152), (1616, 44205), (1680, 42521), (1684, 42420), (2020, 35364), (2105, 33936), (2121, 33680), (2424, 29470), (2526, 28280), (2828, 25260), (2947, 24240), (3030, 23576), (3368, 21210), (3535, 20208), (4040, 17682), (4210, 16968), (4242, 16840), (4848, 14735), (5052, 14140), (5656, 12630), (5894, 12120), (6060, 11788), (6315, 11312), (6736, 10605), (7070, 10104), (8080, 8841), (8420, 8484)]