220386420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 700435008

約数和(自身を除く): 480048588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 243, 270, 274, 324, 331, 405, 411, 486, 540, 548, 662, 685, 810, 822, 972, 993, 1215, 1233, 1324, 1370, 1620, 1644, 1655, 1986, 2055, 2430, 2466, 2740, 2979, 3310, 3699, 3972, 4110, 4860, 4932, 4965, 5958, 6165, 6620, 7398, 8220, 8937, 9930, 11097, 11916, 12330, 14796, 14895, 17874, 18495, 19860, 22194, 24660, 26811, 29790, 33291, 35748, 36990, 44388, 44685, 45347, 53622, 55485, 59580, 66582, 73980, 80433, 89370, 90694, 107244, 110970, 133164, 134055, 136041, 160866, 166455, 178740, 181388, 221940, 226735, 268110, 272082, 321732, 332910, 402165, 408123, 453470, 536220, 544164, 665820, 680205, 804330, 816246, 906940, 1224369, 1360410, 1608660, 1632492, 2040615, 2448738, 2720820, 3673107, 4081230, 4897476, 6121845, 7346214, 8162460, 11019321, 12243690, 14692428, 18365535, 22038642, 24487380, 36731070, 44077284, 55096605, 73462140, 110193210, 220386420]

約数ペア:

[(1, 220386420), (2, 110193210), (3, 73462140), (4, 55096605), (5, 44077284), (6, 36731070), (9, 24487380), (10, 22038642), (12, 18365535), (15, 14692428), (18, 12243690), (20, 11019321), (27, 8162460), (30, 7346214), (36, 6121845), (45, 4897476), (54, 4081230), (60, 3673107), (81, 2720820), (90, 2448738), (108, 2040615), (135, 1632492), (137, 1608660), (162, 1360410), (180, 1224369), (243, 906940), (270, 816246), (274, 804330), (324, 680205), (331, 665820), (405, 544164), (411, 536220), (486, 453470), (540, 408123), (548, 402165), (662, 332910), (685, 321732), (810, 272082), (822, 268110), (972, 226735), (993, 221940), (1215, 181388), (1233, 178740), (1324, 166455), (1370, 160866), (1620, 136041), (1644, 134055), (1655, 133164), (1986, 110970), (2055, 107244), (2430, 90694), (2466, 89370), (2740, 80433), (2979, 73980), (3310, 66582), (3699, 59580), (3972, 55485), (4110, 53622), (4860, 45347), (4932, 44685), (4965, 44388), (5958, 36990), (6165, 35748), (6620, 33291), (7398, 29790), (8220, 26811), (8937, 24660), (9930, 22194), (11097, 19860), (11916, 18495), (12330, 17874), (14796, 14895)]