12980496

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 36227840

約数和(自身を除く): 23247344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 331, 344, 456, 516, 662, 688, 817, 912, 993, 1032, 1324, 1634, 1986, 2064, 2451, 2648, 3268, 3972, 4902, 5296, 6289, 6536, 7944, 9804, 12578, 13072, 14233, 15888, 18867, 19608, 25156, 28466, 37734, 39216, 42699, 50312, 56932, 75468, 85398, 100624, 113864, 150936, 170796, 227728, 270427, 301872, 341592, 540854, 683184, 811281, 1081708, 1622562, 2163416, 3245124, 4326832, 6490248, 12980496]

約数ペア:

[(1, 12980496), (2, 6490248), (3, 4326832), (4, 3245124), (6, 2163416), (8, 1622562), (12, 1081708), (16, 811281), (19, 683184), (24, 540854), (38, 341592), (43, 301872), (48, 270427), (57, 227728), (76, 170796), (86, 150936), (114, 113864), (129, 100624), (152, 85398), (172, 75468), (228, 56932), (258, 50312), (304, 42699), (331, 39216), (344, 37734), (456, 28466), (516, 25156), (662, 19608), (688, 18867), (817, 15888), (912, 14233), (993, 13072), (1032, 12578), (1324, 9804), (1634, 7944), (1986, 6536), (2064, 6289), (2451, 5296), (2648, 4902), (3268, 3972)]