28849860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12329}}^1$

素因数の和:12357

約数の個数: 72

約数和(自身を含む): 94250520

約数和(自身を除く): 65400660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12329, 24658, 36987, 49316, 61645, 73974, 110961, 123290, 147948, 160277, 184935, 221922, 246580, 320554, 369870, 443844, 480831, 554805, 641108, 739740, 801385, 961662, 1109610, 1442493, 1602770, 1923324, 2219220, 2404155, 2884986, 3205540, 4808310, 5769972, 7212465, 9616620, 14424930, 28849860]

約数ペア:

[(1, 28849860), (2, 14424930), (3, 9616620), (4, 7212465), (5, 5769972), (6, 4808310), (9, 3205540), (10, 2884986), (12, 2404155), (13, 2219220), (15, 1923324), (18, 1602770), (20, 1442493), (26, 1109610), (30, 961662), (36, 801385), (39, 739740), (45, 641108), (52, 554805), (60, 480831), (65, 443844), (78, 369870), (90, 320554), (117, 246580), (130, 221922), (156, 184935), (180, 160277), (195, 147948), (234, 123290), (260, 110961), (390, 73974), (468, 61645), (585, 49316), (780, 36987), (1170, 24658), (2340, 12329)]