30461840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 74566656

約数和(自身を除く): 44104816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 173, 248, 284, 310, 346, 355, 496, 568, 620, 692, 710, 865, 1136, 1240, 1384, 1420, 1730, 2201, 2480, 2768, 2840, 3460, 4402, 5363, 5680, 6920, 8804, 10726, 11005, 12283, 13840, 17608, 21452, 22010, 24566, 26815, 35216, 42904, 44020, 49132, 53630, 61415, 85808, 88040, 98264, 107260, 122830, 176080, 196528, 214520, 245660, 380773, 429040, 491320, 761546, 982640, 1523092, 1903865, 3046184, 3807730, 6092368, 7615460, 15230920, 30461840]

約数ペア:

[(1, 30461840), (2, 15230920), (4, 7615460), (5, 6092368), (8, 3807730), (10, 3046184), (16, 1903865), (20, 1523092), (31, 982640), (40, 761546), (62, 491320), (71, 429040), (80, 380773), (124, 245660), (142, 214520), (155, 196528), (173, 176080), (248, 122830), (284, 107260), (310, 98264), (346, 88040), (355, 85808), (496, 61415), (568, 53630), (620, 49132), (692, 44020), (710, 42904), (865, 35216), (1136, 26815), (1240, 24566), (1384, 22010), (1420, 21452), (1730, 17608), (2201, 13840), (2480, 12283), (2768, 11005), (2840, 10726), (3460, 8804), (4402, 6920), (5363, 5680)]