319647720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{380533}}^1$

素因数の和:380554

約数の個数: 64

約数和(自身を含む): 1095937920

約数和(自身を除く): 776290200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 380533, 761066, 1141599, 1522132, 1902665, 2283198, 2663731, 3044264, 3805330, 4566396, 5327462, 5707995, 7610660, 7991193, 9132792, 10654924, 11415990, 13318655, 15221320, 15982386, 21309848, 22831980, 26637310, 31964772, 39955965, 45663960, 53274620, 63929544, 79911930, 106549240, 159823860, 319647720]

約数ペア:

[(1, 319647720), (2, 159823860), (3, 106549240), (4, 79911930), (5, 63929544), (6, 53274620), (7, 45663960), (8, 39955965), (10, 31964772), (12, 26637310), (14, 22831980), (15, 21309848), (20, 15982386), (21, 15221320), (24, 13318655), (28, 11415990), (30, 10654924), (35, 9132792), (40, 7991193), (42, 7610660), (56, 5707995), (60, 5327462), (70, 4566396), (84, 3805330), (105, 3044264), (120, 2663731), (140, 2283198), (168, 1902665), (210, 1522132), (280, 1141599), (420, 761066), (840, 380533)]