180987660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{379}}^2$

素因数の和:780

約数の個数: 108

約数和(自身を含む): 629083728

約数和(自身を除く): 448096068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 379, 420, 630, 758, 1137, 1260, 1516, 1895, 2274, 2653, 3411, 3790, 4548, 5306, 5685, 6822, 7580, 7959, 10612, 11370, 13265, 13644, 15918, 17055, 22740, 23877, 26530, 31836, 34110, 39795, 47754, 53060, 68220, 79590, 95508, 119385, 143641, 159180, 238770, 287282, 430923, 477540, 574564, 718205, 861846, 1005487, 1292769, 1436410, 1723692, 2010974, 2154615, 2585538, 2872820, 3016461, 4021948, 4309230, 5027435, 5171076, 6032922, 6463845, 8618460, 9049383, 10054870, 12065844, 12927690, 15082305, 18098766, 20109740, 25855380, 30164610, 36197532, 45246915, 60329220, 90493830, 180987660]

約数ペア:

[(1, 180987660), (2, 90493830), (3, 60329220), (4, 45246915), (5, 36197532), (6, 30164610), (7, 25855380), (9, 20109740), (10, 18098766), (12, 15082305), (14, 12927690), (15, 12065844), (18, 10054870), (20, 9049383), (21, 8618460), (28, 6463845), (30, 6032922), (35, 5171076), (36, 5027435), (42, 4309230), (45, 4021948), (60, 3016461), (63, 2872820), (70, 2585538), (84, 2154615), (90, 2010974), (105, 1723692), (126, 1436410), (140, 1292769), (180, 1005487), (210, 861846), (252, 718205), (315, 574564), (379, 477540), (420, 430923), (630, 287282), (758, 238770), (1137, 159180), (1260, 143641), (1516, 119385), (1895, 95508), (2274, 79590), (2653, 68220), (3411, 53060), (3790, 47754), (4548, 39795), (5306, 34110), (5685, 31836), (6822, 26530), (7580, 23877), (7959, 22740), (10612, 17055), (11370, 15918), (13265, 13644)]