56723240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1171}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 146828160

約数和(自身を除く): 90104920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1171, 1211, 1384, 1730, 2342, 2422, 3460, 4684, 4844, 5855, 6055, 6920, 8197, 9368, 9688, 11710, 12110, 16394, 23420, 24220, 32788, 40985, 46840, 48440, 65576, 81970, 163940, 202583, 327880, 405166, 810332, 1012915, 1418081, 1620664, 2025830, 2836162, 4051660, 5672324, 7090405, 8103320, 11344648, 14180810, 28361620, 56723240]

約数ペア:

[(1, 56723240), (2, 28361620), (4, 14180810), (5, 11344648), (7, 8103320), (8, 7090405), (10, 5672324), (14, 4051660), (20, 2836162), (28, 2025830), (35, 1620664), (40, 1418081), (56, 1012915), (70, 810332), (140, 405166), (173, 327880), (280, 202583), (346, 163940), (692, 81970), (865, 65576), (1171, 48440), (1211, 46840), (1384, 40985), (1730, 32788), (2342, 24220), (2422, 23420), (3460, 16394), (4684, 12110), (4844, 11710), (5855, 9688), (6055, 9368), (6920, 8197)]