655861320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1860

約数の個数: 128

約数和(自身を含む): 2192832000

約数和(自身を除く): 1536970680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 431, 540, 862, 1080, 1293, 1409, 1724, 2155, 2586, 2818, 3448, 3879, 4227, 4310, 5172, 5636, 6465, 7045, 7758, 8454, 8620, 10344, 11272, 11637, 12681, 12930, 14090, 15516, 16908, 17240, 19395, 21135, 23274, 25362, 25860, 28180, 31032, 33816, 38043, 38790, 42270, 46548, 50724, 51720, 56360, 58185, 63405, 76086, 77580, 84540, 93096, 101448, 116370, 126810, 152172, 155160, 169080, 190215, 232740, 253620, 304344, 380430, 465480, 507240, 607279, 760860, 1214558, 1521720, 1821837, 2429116, 3036395, 3643674, 4858232, 5465511, 6072790, 7287348, 9109185, 10931022, 12145580, 14574696, 16396533, 18218370, 21862044, 24291160, 27327555, 32793066, 36436740, 43724088, 54655110, 65586132, 72873480, 81982665, 109310220, 131172264, 163965330, 218620440, 327930660, 655861320]

約数ペア:

[(1, 655861320), (2, 327930660), (3, 218620440), (4, 163965330), (5, 131172264), (6, 109310220), (8, 81982665), (9, 72873480), (10, 65586132), (12, 54655110), (15, 43724088), (18, 36436740), (20, 32793066), (24, 27327555), (27, 24291160), (30, 21862044), (36, 18218370), (40, 16396533), (45, 14574696), (54, 12145580), (60, 10931022), (72, 9109185), (90, 7287348), (108, 6072790), (120, 5465511), (135, 4858232), (180, 3643674), (216, 3036395), (270, 2429116), (360, 1821837), (431, 1521720), (540, 1214558), (862, 760860), (1080, 607279), (1293, 507240), (1409, 465480), (1724, 380430), (2155, 304344), (2586, 253620), (2818, 232740), (3448, 190215), (3879, 169080), (4227, 155160), (4310, 152172), (5172, 126810), (5636, 116370), (6465, 101448), (7045, 93096), (7758, 84540), (8454, 77580), (8620, 76086), (10344, 63405), (11272, 58185), (11637, 56360), (12681, 51720), (12930, 50724), (14090, 46548), (15516, 42270), (16908, 38790), (17240, 38043), (19395, 33816), (21135, 31032), (23274, 28180), (25362, 25860)]