64892940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:807

約数の個数: 96

約数和(自身を含む): 208717824

約数和(自身を除く): 143824884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 367, 420, 421, 734, 842, 1101, 1263, 1468, 1684, 1835, 2105, 2202, 2526, 2569, 2947, 3670, 4210, 4404, 5052, 5138, 5505, 5894, 6315, 7340, 7707, 8420, 8841, 10276, 11010, 11788, 12630, 12845, 14735, 15414, 17682, 22020, 25260, 25690, 29470, 30828, 35364, 38535, 44205, 51380, 58940, 77070, 88410, 154140, 154507, 176820, 309014, 463521, 618028, 772535, 927042, 1081549, 1545070, 1854084, 2163098, 2317605, 3090140, 3244647, 4326196, 4635210, 5407745, 6489294, 9270420, 10815490, 12978588, 16223235, 21630980, 32446470, 64892940]

約数ペア:

[(1, 64892940), (2, 32446470), (3, 21630980), (4, 16223235), (5, 12978588), (6, 10815490), (7, 9270420), (10, 6489294), (12, 5407745), (14, 4635210), (15, 4326196), (20, 3244647), (21, 3090140), (28, 2317605), (30, 2163098), (35, 1854084), (42, 1545070), (60, 1081549), (70, 927042), (84, 772535), (105, 618028), (140, 463521), (210, 309014), (367, 176820), (420, 154507), (421, 154140), (734, 88410), (842, 77070), (1101, 58940), (1263, 51380), (1468, 44205), (1684, 38535), (1835, 35364), (2105, 30828), (2202, 29470), (2526, 25690), (2569, 25260), (2947, 22020), (3670, 17682), (4210, 15414), (4404, 14735), (5052, 12845), (5138, 12630), (5505, 11788), (5894, 11010), (6315, 10276), (7340, 8841), (7707, 8420)]