28503840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1442

約数の個数: 96

約数和(自身を含む): 91941696

約数和(自身を除く): 63437856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1381, 1720, 2064, 2580, 2762, 3440, 4128, 4143, 5160, 5524, 6880, 6905, 8286, 10320, 11048, 13810, 16572, 20640, 20715, 22096, 27620, 33144, 41430, 44192, 55240, 59383, 66288, 82860, 110480, 118766, 132576, 165720, 178149, 220960, 237532, 296915, 331440, 356298, 475064, 593830, 662880, 712596, 890745, 950128, 1187660, 1425192, 1781490, 1900256, 2375320, 2850384, 3562980, 4750640, 5700768, 7125960, 9501280, 14251920, 28503840]

約数ペア:

[(1, 28503840), (2, 14251920), (3, 9501280), (4, 7125960), (5, 5700768), (6, 4750640), (8, 3562980), (10, 2850384), (12, 2375320), (15, 1900256), (16, 1781490), (20, 1425192), (24, 1187660), (30, 950128), (32, 890745), (40, 712596), (43, 662880), (48, 593830), (60, 475064), (80, 356298), (86, 331440), (96, 296915), (120, 237532), (129, 220960), (160, 178149), (172, 165720), (215, 132576), (240, 118766), (258, 110480), (344, 82860), (430, 66288), (480, 59383), (516, 55240), (645, 44192), (688, 41430), (860, 33144), (1032, 27620), (1290, 22096), (1376, 20715), (1381, 20640), (1720, 16572), (2064, 13810), (2580, 11048), (2762, 10320), (3440, 8286), (4128, 6905), (4143, 6880), (5160, 5524)]