279251460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 877356480

約数和(自身を除く): 598105020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 109, 129, 172, 180, 215, 218, 258, 327, 331, 387, 430, 436, 516, 545, 645, 654, 662, 774, 860, 981, 993, 1090, 1290, 1308, 1324, 1548, 1635, 1655, 1935, 1962, 1986, 2180, 2580, 2979, 3270, 3310, 3870, 3924, 3972, 4687, 4905, 4965, 5958, 6540, 6620, 7740, 9374, 9810, 9930, 11916, 14061, 14233, 14895, 18748, 19620, 19860, 23435, 28122, 28466, 29790, 36079, 42183, 42699, 46870, 56244, 56932, 59580, 70305, 71165, 72158, 84366, 85398, 93740, 108237, 128097, 140610, 142330, 144316, 168732, 170796, 180395, 210915, 213495, 216474, 256194, 281220, 284660, 324711, 360790, 421830, 426990, 432948, 512388, 541185, 640485, 649422, 721580, 843660, 853980, 1082370, 1280970, 1298844, 1551397, 1623555, 2164740, 2561940, 3102794, 3247110, 4654191, 6205588, 6494220, 7756985, 9308382, 13962573, 15513970, 18616764, 23270955, 27925146, 31027940, 46541910, 55850292, 69812865, 93083820, 139625730, 279251460]

約数ペア:

[(1, 279251460), (2, 139625730), (3, 93083820), (4, 69812865), (5, 55850292), (6, 46541910), (9, 31027940), (10, 27925146), (12, 23270955), (15, 18616764), (18, 15513970), (20, 13962573), (30, 9308382), (36, 7756985), (43, 6494220), (45, 6205588), (60, 4654191), (86, 3247110), (90, 3102794), (109, 2561940), (129, 2164740), (172, 1623555), (180, 1551397), (215, 1298844), (218, 1280970), (258, 1082370), (327, 853980), (331, 843660), (387, 721580), (430, 649422), (436, 640485), (516, 541185), (545, 512388), (645, 432948), (654, 426990), (662, 421830), (774, 360790), (860, 324711), (981, 284660), (993, 281220), (1090, 256194), (1290, 216474), (1308, 213495), (1324, 210915), (1548, 180395), (1635, 170796), (1655, 168732), (1935, 144316), (1962, 142330), (1986, 140610), (2180, 128097), (2580, 108237), (2979, 93740), (3270, 85398), (3310, 84366), (3870, 72158), (3924, 71165), (3972, 70305), (4687, 59580), (4905, 56932), (4965, 56244), (5958, 46870), (6540, 42699), (6620, 42183), (7740, 36079), (9374, 29790), (9810, 28466), (9930, 28122), (11916, 23435), (14061, 19860), (14233, 19620), (14895, 18748)]