161381970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6477

約数の個数: 80

約数和(自身を含む): 448005888

約数和(自身を除く): 286623918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 6427, 8370, 12555, 12854, 19281, 25110, 32135, 38562, 57843, 64270, 96405, 115686, 173529, 192810, 199237, 289215, 347058, 398474, 520587, 578430, 597711, 867645, 996185, 1041174, 1195422, 1735290, 1793133, 1992370, 2602935, 2988555, 3586266, 5205870, 5379399, 5977110, 8965665, 10758798, 16138197, 17931330, 26896995, 32276394, 53793990, 80690985, 161381970]

約数ペア:

[(1, 161381970), (2, 80690985), (3, 53793990), (5, 32276394), (6, 26896995), (9, 17931330), (10, 16138197), (15, 10758798), (18, 8965665), (27, 5977110), (30, 5379399), (31, 5205870), (45, 3586266), (54, 2988555), (62, 2602935), (81, 1992370), (90, 1793133), (93, 1735290), (135, 1195422), (155, 1041174), (162, 996185), (186, 867645), (270, 597711), (279, 578430), (310, 520587), (405, 398474), (465, 347058), (558, 289215), (810, 199237), (837, 192810), (930, 173529), (1395, 115686), (1674, 96405), (2511, 64270), (2790, 57843), (4185, 38562), (5022, 32135), (6427, 25110), (8370, 19281), (12555, 12854)]