64700720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3727}}^1$

素因数の和:3778

約数の個数: 80

約数和(自身を含む): 177512448

約数和(自身を除く): 112811728

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, 3727, 4340, 7454, 8680, 14908, 17360, 18635, 26089, 29816, 37270, 52178, 59632, 74540, 104356, 115537, 130445, 149080, 208712, 231074, 260890, 298160, 417424, 462148, 521780, 577685, 808759, 924296, 1043560, 1155370, 1617518, 1848592, 2087120, 2310740, 3235036, 4043795, 4621480, 6470072, 8087590, 9242960, 12940144, 16175180, 32350360, 64700720]

約数ペア:

[(1, 64700720), (2, 32350360), (4, 16175180), (5, 12940144), (7, 9242960), (8, 8087590), (10, 6470072), (14, 4621480), (16, 4043795), (20, 3235036), (28, 2310740), (31, 2087120), (35, 1848592), (40, 1617518), (56, 1155370), (62, 1043560), (70, 924296), (80, 808759), (112, 577685), (124, 521780), (140, 462148), (155, 417424), (217, 298160), (248, 260890), (280, 231074), (310, 208712), (434, 149080), (496, 130445), (560, 115537), (620, 104356), (868, 74540), (1085, 59632), (1240, 52178), (1736, 37270), (2170, 29816), (2480, 26089), (3472, 18635), (3727, 17360), (4340, 14908), (7454, 8680)]