15212540

素因数分解:

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

素因数の和:104

約数の個数: 108

約数和(自身を含む): 40133016

約数和(自身を除く): 24920476

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 49, 70, 76, 86, 95, 98, 133, 140, 172, 190, 196, 215, 245, 266, 301, 361, 380, 430, 490, 532, 602, 665, 722, 817, 860, 931, 980, 1204, 1330, 1444, 1505, 1634, 1805, 1862, 2107, 2527, 2660, 3010, 3268, 3610, 3724, 4085, 4214, 4655, 5054, 5719, 6020, 7220, 8170, 8428, 9310, 10108, 10535, 11438, 12635, 15523, 16340, 17689, 18620, 21070, 22876, 25270, 28595, 31046, 35378, 40033, 42140, 50540, 57190, 62092, 70756, 77615, 80066, 88445, 108661, 114380, 155230, 160132, 176890, 200165, 217322, 310460, 353780, 400330, 434644, 543305, 760627, 800660, 1086610, 1521254, 2173220, 3042508, 3803135, 7606270, 15212540]

約数ペア:

[(1, 15212540), (2, 7606270), (4, 3803135), (5, 3042508), (7, 2173220), (10, 1521254), (14, 1086610), (19, 800660), (20, 760627), (28, 543305), (35, 434644), (38, 400330), (43, 353780), (49, 310460), (70, 217322), (76, 200165), (86, 176890), (95, 160132), (98, 155230), (133, 114380), (140, 108661), (172, 88445), (190, 80066), (196, 77615), (215, 70756), (245, 62092), (266, 57190), (301, 50540), (361, 42140), (380, 40033), (430, 35378), (490, 31046), (532, 28595), (602, 25270), (665, 22876), (722, 21070), (817, 18620), (860, 17689), (931, 16340), (980, 15523), (1204, 12635), (1330, 11438), (1444, 10535), (1505, 10108), (1634, 9310), (1805, 8428), (1862, 8170), (2107, 7220), (2527, 6020), (2660, 5719), (3010, 5054), (3268, 4655), (3610, 4214), (3724, 4085)]