255174640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14699}}^1$

素因数の和:14750

約数の個数: 80

約数和(自身を含む): 699955200

約数和(自身を除く): 444780560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14699, 17360, 29398, 58796, 73495, 102893, 117592, 146990, 205786, 235184, 293980, 411572, 455669, 514465, 587960, 823144, 911338, 1028930, 1175920, 1646288, 1822676, 2057860, 2278345, 3189683, 3645352, 4115720, 4556690, 6379366, 7290704, 8231440, 9113380, 12758732, 15948415, 18226760, 25517464, 31896830, 36453520, 51034928, 63793660, 127587320, 255174640]

約数ペア:

[(1, 255174640), (2, 127587320), (4, 63793660), (5, 51034928), (7, 36453520), (8, 31896830), (10, 25517464), (14, 18226760), (16, 15948415), (20, 12758732), (28, 9113380), (31, 8231440), (35, 7290704), (40, 6379366), (56, 4556690), (62, 4115720), (70, 3645352), (80, 3189683), (112, 2278345), (124, 2057860), (140, 1822676), (155, 1646288), (217, 1175920), (248, 1028930), (280, 911338), (310, 823144), (434, 587960), (496, 514465), (560, 455669), (620, 411572), (868, 293980), (1085, 235184), (1240, 205786), (1736, 146990), (2170, 117592), (2480, 102893), (3472, 73495), (4340, 58796), (8680, 29398), (14699, 17360)]