1298156940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 4028693760

約数和(自身を除く): 2730536820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 251, 295, 354, 487, 502, 531, 590, 708, 753, 885, 974, 1004, 1062, 1180, 1255, 1461, 1506, 1770, 1948, 2124, 2259, 2435, 2510, 2655, 2922, 3012, 3540, 3765, 4383, 4518, 4870, 5020, 5310, 5844, 7305, 7530, 8766, 9036, 9740, 10620, 11295, 14610, 14809, 15060, 17532, 21915, 22590, 28733, 29220, 29618, 43830, 44427, 45180, 57466, 59236, 74045, 86199, 87660, 88854, 114932, 122237, 133281, 143665, 148090, 172398, 177708, 222135, 244474, 258597, 266562, 287330, 296180, 344796, 366711, 430995, 444270, 488948, 517194, 533124, 574660, 611185, 666405, 733422, 861990, 888540, 1034388, 1100133, 1222370, 1292985, 1332810, 1466844, 1723980, 1833555, 2200266, 2444740, 2585970, 2665620, 3667110, 4400532, 5171940, 5500665, 7211983, 7334220, 11001330, 14423966, 21635949, 22002660, 28847932, 36059915, 43271898, 64907847, 72119830, 86543796, 108179745, 129815694, 144239660, 216359490, 259631388, 324539235, 432718980, 649078470, 1298156940]

約数ペア:

[(1, 1298156940), (2, 649078470), (3, 432718980), (4, 324539235), (5, 259631388), (6, 216359490), (9, 144239660), (10, 129815694), (12, 108179745), (15, 86543796), (18, 72119830), (20, 64907847), (30, 43271898), (36, 36059915), (45, 28847932), (59, 22002660), (60, 21635949), (90, 14423966), (118, 11001330), (177, 7334220), (180, 7211983), (236, 5500665), (251, 5171940), (295, 4400532), (354, 3667110), (487, 2665620), (502, 2585970), (531, 2444740), (590, 2200266), (708, 1833555), (753, 1723980), (885, 1466844), (974, 1332810), (1004, 1292985), (1062, 1222370), (1180, 1100133), (1255, 1034388), (1461, 888540), (1506, 861990), (1770, 733422), (1948, 666405), (2124, 611185), (2259, 574660), (2435, 533124), (2510, 517194), (2655, 488948), (2922, 444270), (3012, 430995), (3540, 366711), (3765, 344796), (4383, 296180), (4518, 287330), (4870, 266562), (5020, 258597), (5310, 244474), (5844, 222135), (7305, 177708), (7530, 172398), (8766, 148090), (9036, 143665), (9740, 133281), (10620, 122237), (11295, 114932), (14610, 88854), (14809, 87660), (15060, 86199), (17532, 74045), (21915, 59236), (22590, 57466), (28733, 45180), (29220, 44427), (29618, 43830)]