30081940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 78059520

約数和(自身を除く): 47977580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 215, 263, 266, 301, 380, 430, 526, 532, 602, 665, 817, 860, 1052, 1204, 1315, 1330, 1505, 1634, 1841, 2630, 2660, 3010, 3268, 3682, 4085, 4997, 5260, 5719, 6020, 7364, 8170, 9205, 9994, 11309, 11438, 16340, 18410, 19988, 22618, 22876, 24985, 28595, 34979, 36820, 45236, 49970, 56545, 57190, 69958, 79163, 99940, 113090, 114380, 139916, 158326, 174895, 214871, 226180, 316652, 349790, 395815, 429742, 699580, 791630, 859484, 1074355, 1504097, 1583260, 2148710, 3008194, 4297420, 6016388, 7520485, 15040970, 30081940]

約数ペア:

[(1, 30081940), (2, 15040970), (4, 7520485), (5, 6016388), (7, 4297420), (10, 3008194), (14, 2148710), (19, 1583260), (20, 1504097), (28, 1074355), (35, 859484), (38, 791630), (43, 699580), (70, 429742), (76, 395815), (86, 349790), (95, 316652), (133, 226180), (140, 214871), (172, 174895), (190, 158326), (215, 139916), (263, 114380), (266, 113090), (301, 99940), (380, 79163), (430, 69958), (526, 57190), (532, 56545), (602, 49970), (665, 45236), (817, 36820), (860, 34979), (1052, 28595), (1204, 24985), (1315, 22876), (1330, 22618), (1505, 19988), (1634, 18410), (1841, 16340), (2630, 11438), (2660, 11309), (3010, 9994), (3268, 9205), (3682, 8170), (4085, 7364), (4997, 6020), (5260, 5719)]