1620548560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{2309}}^1$

素因数の和:2636

約数の個数: 80

約数和(自身を含む): 3904750080

約数和(自身を除く): 2284201520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 283, 310, 496, 566, 620, 1132, 1240, 1415, 2264, 2309, 2480, 2830, 4528, 4618, 5660, 8773, 9236, 11320, 11545, 17546, 18472, 22640, 23090, 35092, 36944, 43865, 46180, 70184, 71579, 87730, 92360, 140368, 143158, 175460, 184720, 286316, 350920, 357895, 572632, 653447, 701840, 715790, 1145264, 1306894, 1431580, 2613788, 2863160, 3267235, 5227576, 5726320, 6534470, 10455152, 13068940, 20256857, 26137880, 40513714, 52275760, 81027428, 101284285, 162054856, 202568570, 324109712, 405137140, 810274280, 1620548560]

約数ペア:

[(1, 1620548560), (2, 810274280), (4, 405137140), (5, 324109712), (8, 202568570), (10, 162054856), (16, 101284285), (20, 81027428), (31, 52275760), (40, 40513714), (62, 26137880), (80, 20256857), (124, 13068940), (155, 10455152), (248, 6534470), (283, 5726320), (310, 5227576), (496, 3267235), (566, 2863160), (620, 2613788), (1132, 1431580), (1240, 1306894), (1415, 1145264), (2264, 715790), (2309, 701840), (2480, 653447), (2830, 572632), (4528, 357895), (4618, 350920), (5660, 286316), (8773, 184720), (9236, 175460), (11320, 143158), (11545, 140368), (17546, 92360), (18472, 87730), (22640, 71579), (23090, 70184), (35092, 46180), (36944, 43865)]