201718860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15543

約数の個数: 96

約数和(自身を含む): 666365952

約数和(自身を除く): 464647092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 15493, 30986, 46479, 61972, 77465, 92958, 108451, 154930, 185916, 216902, 232395, 309860, 325353, 433804, 464790, 480283, 542255, 650706, 929580, 960566, 1084510, 1301412, 1440849, 1626765, 1921132, 2169020, 2401415, 2881698, 3253530, 3361981, 4802830, 5763396, 6507060, 6723962, 7204245, 9605660, 10085943, 13447924, 14408490, 16809905, 20171886, 28816980, 33619810, 40343772, 50429715, 67239620, 100859430, 201718860]

約数ペア:

[(1, 201718860), (2, 100859430), (3, 67239620), (4, 50429715), (5, 40343772), (6, 33619810), (7, 28816980), (10, 20171886), (12, 16809905), (14, 14408490), (15, 13447924), (20, 10085943), (21, 9605660), (28, 7204245), (30, 6723962), (31, 6507060), (35, 5763396), (42, 4802830), (60, 3361981), (62, 3253530), (70, 2881698), (84, 2401415), (93, 2169020), (105, 1921132), (124, 1626765), (140, 1440849), (155, 1301412), (186, 1084510), (210, 960566), (217, 929580), (310, 650706), (372, 542255), (420, 480283), (434, 464790), (465, 433804), (620, 325353), (651, 309860), (868, 232395), (930, 216902), (1085, 185916), (1302, 154930), (1860, 108451), (2170, 92958), (2604, 77465), (3255, 61972), (4340, 46479), (6510, 30986), (13020, 15493)]