156917580020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{829}}^1\times {\mathrm{1873}}^1$

素因数の和:2905

約数の個数: 96

約数和(自身を含む): 342839454720

約数和(自身を除く): 185921874700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 829, 1630, 1658, 1873, 3260, 3316, 3746, 4145, 5053, 7492, 8290, 9365, 10106, 16580, 18730, 20212, 25265, 25699, 37460, 50530, 51398, 58063, 101060, 102796, 116126, 128495, 135127, 232252, 256990, 270254, 290315, 305299, 513980, 540508, 580630, 610598, 675635, 1161260, 1221196, 1351270, 1526495, 1552717, 2702540, 3052990, 3105434, 4188937, 6105980, 6210868, 7763585, 8377874, 9464269, 15527170, 16755748, 18928538, 20944685, 31054340, 37857076, 41889370, 47321345, 48134227, 83778740, 94642690, 96268454, 189285380, 192536908, 240671135, 253092871, 481342270, 506185742, 962684540, 1012371484, 1265464355, 2530928710, 5061857420, 7845879001, 15691758002, 31383516004, 39229395005, 78458790010, 156917580020]

約数ペア:

[(1, 156917580020), (2, 78458790010), (4, 39229395005), (5, 31383516004), (10, 15691758002), (20, 7845879001), (31, 5061857420), (62, 2530928710), (124, 1265464355), (155, 1012371484), (163, 962684540), (310, 506185742), (326, 481342270), (620, 253092871), (652, 240671135), (815, 192536908), (829, 189285380), (1630, 96268454), (1658, 94642690), (1873, 83778740), (3260, 48134227), (3316, 47321345), (3746, 41889370), (4145, 37857076), (5053, 31054340), (7492, 20944685), (8290, 18928538), (9365, 16755748), (10106, 15527170), (16580, 9464269), (18730, 8377874), (20212, 7763585), (25265, 6210868), (25699, 6105980), (37460, 4188937), (50530, 3105434), (51398, 3052990), (58063, 2702540), (101060, 1552717), (102796, 1526495), (116126, 1351270), (128495, 1221196), (135127, 1161260), (232252, 675635), (256990, 610598), (270254, 580630), (290315, 540508), (305299, 513980)]