259522620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 144

約数和(自身を含む): 866321568

約数和(自身を除く): 606798948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1148, 1230, 1435, 1470, 1722, 2009, 2153, 2460, 2870, 2940, 3444, 4018, 4305, 4306, 5740, 6027, 6459, 8036, 8610, 8612, 10045, 10765, 12054, 12918, 15071, 17220, 20090, 21530, 24108, 25836, 30135, 30142, 32295, 40180, 43060, 45213, 60270, 60284, 64590, 75355, 88273, 90426, 105497, 120540, 129180, 150710, 176546, 180852, 210994, 226065, 264819, 301420, 316491, 353092, 421988, 441365, 452130, 527485, 529638, 617911, 632982, 882730, 904260, 1054970, 1059276, 1235822, 1265964, 1324095, 1582455, 1765460, 1853733, 2109940, 2471644, 2648190, 3089555, 3164910, 3707466, 4325377, 5296380, 6179110, 6329820, 7414932, 8650754, 9268665, 12358220, 12976131, 17301508, 18537330, 21626885, 25952262, 37074660, 43253770, 51904524, 64880655, 86507540, 129761310, 259522620]

約数ペア:

[(1, 259522620), (2, 129761310), (3, 86507540), (4, 64880655), (5, 51904524), (6, 43253770), (7, 37074660), (10, 25952262), (12, 21626885), (14, 18537330), (15, 17301508), (20, 12976131), (21, 12358220), (28, 9268665), (30, 8650754), (35, 7414932), (41, 6329820), (42, 6179110), (49, 5296380), (60, 4325377), (70, 3707466), (82, 3164910), (84, 3089555), (98, 2648190), (105, 2471644), (123, 2109940), (140, 1853733), (147, 1765460), (164, 1582455), (196, 1324095), (205, 1265964), (210, 1235822), (245, 1059276), (246, 1054970), (287, 904260), (294, 882730), (410, 632982), (420, 617911), (490, 529638), (492, 527485), (574, 452130), (588, 441365), (615, 421988), (735, 353092), (820, 316491), (861, 301420), (980, 264819), (1148, 226065), (1230, 210994), (1435, 180852), (1470, 176546), (1722, 150710), (2009, 129180), (2153, 120540), (2460, 105497), (2870, 90426), (2940, 88273), (3444, 75355), (4018, 64590), (4305, 60284), (4306, 60270), (5740, 45213), (6027, 43060), (6459, 40180), (8036, 32295), (8610, 30142), (8612, 30135), (10045, 25836), (10765, 24108), (12054, 21530), (12918, 20090), (15071, 17220)]