155640560

素因数分解:

$2^4\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1583}}^1$

素因数の和:2825

約数の個数: 40

約数和(自身を含む): 362387520

約数和(自身を除く): 206746960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1229, 1583, 2458, 3166, 4916, 6145, 6332, 7915, 9832, 12290, 12664, 15830, 19664, 24580, 25328, 31660, 49160, 63320, 98320, 126640, 1945507, 3891014, 7782028, 9727535, 15564056, 19455070, 31128112, 38910140, 77820280, 155640560]

約数ペア:

[(1, 155640560), (2, 77820280), (4, 38910140), (5, 31128112), (8, 19455070), (10, 15564056), (16, 9727535), (20, 7782028), (40, 3891014), (80, 1945507), (1229, 126640), (1583, 98320), (2458, 63320), (3166, 49160), (4916, 31660), (6145, 25328), (6332, 24580), (7915, 19664), (9832, 15830), (12290, 12664)]