12816980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 32659200

約数和(自身を除く): 19842220

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 23, 34, 44, 46, 55, 68, 85, 92, 110, 115, 149, 170, 187, 220, 230, 253, 298, 340, 374, 391, 460, 506, 596, 745, 748, 782, 935, 1012, 1265, 1490, 1564, 1639, 1870, 1955, 2530, 2533, 2980, 3278, 3427, 3740, 3910, 4301, 5060, 5066, 6556, 6854, 7820, 8195, 8602, 10132, 12665, 13708, 16390, 17135, 17204, 21505, 25330, 27863, 32780, 34270, 37697, 43010, 50660, 55726, 58259, 68540, 75394, 86020, 111452, 116518, 139315, 150788, 188485, 233036, 278630, 291295, 376970, 557260, 582590, 640849, 753940, 1165180, 1281698, 2563396, 3204245, 6408490, 12816980]

約数ペア:

[(1, 12816980), (2, 6408490), (4, 3204245), (5, 2563396), (10, 1281698), (11, 1165180), (17, 753940), (20, 640849), (22, 582590), (23, 557260), (34, 376970), (44, 291295), (46, 278630), (55, 233036), (68, 188485), (85, 150788), (92, 139315), (110, 116518), (115, 111452), (149, 86020), (170, 75394), (187, 68540), (220, 58259), (230, 55726), (253, 50660), (298, 43010), (340, 37697), (374, 34270), (391, 32780), (460, 27863), (506, 25330), (596, 21505), (745, 17204), (748, 17135), (782, 16390), (935, 13708), (1012, 12665), (1265, 10132), (1490, 8602), (1564, 8195), (1639, 7820), (1870, 6854), (1955, 6556), (2530, 5066), (2533, 5060), (2980, 4301), (3278, 3910), (3427, 3740)]