4201522020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{727}}^1$

素因数の和:1170

約数の個数: 144

約数和(自身を含む): 12932669568

約数和(自身を除く): 8731147548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 331, 388, 485, 582, 662, 727, 873, 970, 993, 1164, 1324, 1454, 1455, 1655, 1746, 1940, 1986, 2181, 2908, 2910, 2979, 3310, 3492, 3635, 3972, 4362, 4365, 4965, 5820, 5958, 6543, 6620, 7270, 8724, 8730, 9930, 10905, 11916, 13086, 14540, 14895, 17460, 19860, 21810, 26172, 29790, 32107, 32715, 43620, 59580, 64214, 65430, 70519, 96321, 128428, 130860, 141038, 160535, 192642, 211557, 240637, 282076, 288963, 321070, 352595, 385284, 423114, 481274, 481605, 577926, 634671, 642140, 705190, 721911, 846228, 962548, 963210, 1057785, 1155852, 1203185, 1269342, 1410380, 1443822, 1444815, 1926420, 2115570, 2165733, 2406370, 2538684, 2887644, 2889630, 3173355, 3609555, 4231140, 4331466, 4812740, 5779260, 6346710, 7219110, 8662932, 10828665, 12693420, 14438220, 21657330, 23341789, 43314660, 46683578, 70025367, 93367156, 116708945, 140050734, 210076101, 233417890, 280101468, 350126835, 420152202, 466835780, 700253670, 840304404, 1050380505, 1400507340, 2100761010, 4201522020]

約数ペア:

[(1, 4201522020), (2, 2100761010), (3, 1400507340), (4, 1050380505), (5, 840304404), (6, 700253670), (9, 466835780), (10, 420152202), (12, 350126835), (15, 280101468), (18, 233417890), (20, 210076101), (30, 140050734), (36, 116708945), (45, 93367156), (60, 70025367), (90, 46683578), (97, 43314660), (180, 23341789), (194, 21657330), (291, 14438220), (331, 12693420), (388, 10828665), (485, 8662932), (582, 7219110), (662, 6346710), (727, 5779260), (873, 4812740), (970, 4331466), (993, 4231140), (1164, 3609555), (1324, 3173355), (1454, 2889630), (1455, 2887644), (1655, 2538684), (1746, 2406370), (1940, 2165733), (1986, 2115570), (2181, 1926420), (2908, 1444815), (2910, 1443822), (2979, 1410380), (3310, 1269342), (3492, 1203185), (3635, 1155852), (3972, 1057785), (4362, 963210), (4365, 962548), (4965, 846228), (5820, 721911), (5958, 705190), (6543, 642140), (6620, 634671), (7270, 577926), (8724, 481605), (8730, 481274), (9930, 423114), (10905, 385284), (11916, 352595), (13086, 321070), (14540, 288963), (14895, 282076), (17460, 240637), (19860, 211557), (21810, 192642), (26172, 160535), (29790, 141038), (32107, 130860), (32715, 128428), (43620, 96321), (59580, 70519), (64214, 65430)]