204817620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15731}}^1$

素因数の和:15781

約数の個数: 96

約数和(自身を含む): 676601856

約数和(自身を除く): 471784236

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, 15731, 31462, 47193, 62924, 78655, 94386, 110117, 157310, 188772, 220234, 235965, 314620, 330351, 440468, 471930, 487661, 550585, 660702, 943860, 975322, 1101170, 1321404, 1462983, 1651755, 1950644, 2202340, 2438305, 2925966, 3303510, 3413627, 4876610, 5851932, 6607020, 6827254, 7314915, 9753220, 10240881, 13654508, 14629830, 17068135, 20481762, 29259660, 34136270, 40963524, 51204405, 68272540, 102408810, 204817620]

約数ペア:

[(1, 204817620), (2, 102408810), (3, 68272540), (4, 51204405), (5, 40963524), (6, 34136270), (7, 29259660), (10, 20481762), (12, 17068135), (14, 14629830), (15, 13654508), (20, 10240881), (21, 9753220), (28, 7314915), (30, 6827254), (31, 6607020), (35, 5851932), (42, 4876610), (60, 3413627), (62, 3303510), (70, 2925966), (84, 2438305), (93, 2202340), (105, 1950644), (124, 1651755), (140, 1462983), (155, 1321404), (186, 1101170), (210, 975322), (217, 943860), (310, 660702), (372, 550585), (420, 487661), (434, 471930), (465, 440468), (620, 330351), (651, 314620), (868, 235965), (930, 220234), (1085, 188772), (1302, 157310), (1860, 110117), (2170, 94386), (2604, 78655), (3255, 62924), (4340, 47193), (6510, 31462), (13020, 15731)]