15388620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 47087040

約数和(自身を除く): 31698420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 181, 195, 218, 260, 327, 362, 390, 436, 543, 545, 654, 724, 780, 905, 1086, 1090, 1308, 1417, 1635, 1810, 2172, 2180, 2353, 2715, 2834, 3270, 3620, 4251, 4706, 5430, 5668, 6540, 7059, 7085, 8502, 9412, 10860, 11765, 14118, 14170, 17004, 19729, 21255, 23530, 28236, 28340, 35295, 39458, 42510, 47060, 59187, 70590, 78916, 85020, 98645, 118374, 141180, 197290, 236748, 256477, 295935, 394580, 512954, 591870, 769431, 1025908, 1183740, 1282385, 1538862, 2564770, 3077724, 3847155, 5129540, 7694310, 15388620]

約数ペア:

[(1, 15388620), (2, 7694310), (3, 5129540), (4, 3847155), (5, 3077724), (6, 2564770), (10, 1538862), (12, 1282385), (13, 1183740), (15, 1025908), (20, 769431), (26, 591870), (30, 512954), (39, 394580), (52, 295935), (60, 256477), (65, 236748), (78, 197290), (109, 141180), (130, 118374), (156, 98645), (181, 85020), (195, 78916), (218, 70590), (260, 59187), (327, 47060), (362, 42510), (390, 39458), (436, 35295), (543, 28340), (545, 28236), (654, 23530), (724, 21255), (780, 19729), (905, 17004), (1086, 14170), (1090, 14118), (1308, 11765), (1417, 10860), (1635, 9412), (1810, 8502), (2172, 7085), (2180, 7059), (2353, 6540), (2715, 5668), (2834, 5430), (3270, 4706), (3620, 4251)]