80241720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51437}}^1$

素因数の和:51464

約数の個数: 64

約数和(自身を含む): 259247520

約数和(自身を除く): 179005800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51437, 102874, 154311, 205748, 257185, 308622, 411496, 514370, 617244, 668681, 771555, 1028740, 1234488, 1337362, 1543110, 2006043, 2057480, 2674724, 3086220, 3343405, 4012086, 5349448, 6172440, 6686810, 8024172, 10030215, 13373620, 16048344, 20060430, 26747240, 40120860, 80241720]

約数ペア:

[(1, 80241720), (2, 40120860), (3, 26747240), (4, 20060430), (5, 16048344), (6, 13373620), (8, 10030215), (10, 8024172), (12, 6686810), (13, 6172440), (15, 5349448), (20, 4012086), (24, 3343405), (26, 3086220), (30, 2674724), (39, 2057480), (40, 2006043), (52, 1543110), (60, 1337362), (65, 1234488), (78, 1028740), (104, 771555), (120, 668681), (130, 617244), (156, 514370), (195, 411496), (260, 308622), (312, 257185), (390, 205748), (520, 154311), (780, 102874), (1560, 51437)]