172389240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1231}}^1$

素因数の和:1637

約数の個数: 96

約数和(自身を含む): 562161600

約数和(自身を除く): 389772360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 389, 778, 1167, 1231, 1556, 1945, 2334, 2462, 3112, 3501, 3693, 3890, 4668, 4924, 5835, 6155, 7002, 7386, 7780, 9336, 9848, 11079, 11670, 12310, 14004, 14772, 15560, 17505, 18465, 22158, 23340, 24620, 28008, 29544, 35010, 36930, 44316, 46680, 49240, 55395, 70020, 73860, 88632, 110790, 140040, 147720, 221580, 443160, 478859, 957718, 1436577, 1915436, 2394295, 2873154, 3830872, 4309731, 4788590, 5746308, 7182885, 8619462, 9577180, 11492616, 14365770, 17238924, 19154360, 21548655, 28731540, 34477848, 43097310, 57463080, 86194620, 172389240]

約数ペア:

[(1, 172389240), (2, 86194620), (3, 57463080), (4, 43097310), (5, 34477848), (6, 28731540), (8, 21548655), (9, 19154360), (10, 17238924), (12, 14365770), (15, 11492616), (18, 9577180), (20, 8619462), (24, 7182885), (30, 5746308), (36, 4788590), (40, 4309731), (45, 3830872), (60, 2873154), (72, 2394295), (90, 1915436), (120, 1436577), (180, 957718), (360, 478859), (389, 443160), (778, 221580), (1167, 147720), (1231, 140040), (1556, 110790), (1945, 88632), (2334, 73860), (2462, 70020), (3112, 55395), (3501, 49240), (3693, 46680), (3890, 44316), (4668, 36930), (4924, 35010), (5835, 29544), (6155, 28008), (7002, 24620), (7386, 23340), (7780, 22158), (9336, 18465), (9848, 17505), (11079, 15560), (11670, 14772), (12310, 14004)]