81388320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13043}}^1$

素因数の和:13074

約数の個数: 96

約数和(自身を含む): 276115392

約数和(自身を除く): 194727072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 13043, 26086, 39129, 52172, 65215, 78258, 104344, 130430, 156516, 169559, 195645, 208688, 260860, 313032, 339118, 391290, 417376, 508677, 521720, 626064, 678236, 782580, 847795, 1017354, 1043440, 1252128, 1356472, 1565160, 1695590, 2034708, 2086880, 2543385, 2712944, 3130320, 3391180, 4069416, 5086770, 5425888, 6260640, 6782360, 8138832, 10173540, 13564720, 16277664, 20347080, 27129440, 40694160, 81388320]

約数ペア:

[(1, 81388320), (2, 40694160), (3, 27129440), (4, 20347080), (5, 16277664), (6, 13564720), (8, 10173540), (10, 8138832), (12, 6782360), (13, 6260640), (15, 5425888), (16, 5086770), (20, 4069416), (24, 3391180), (26, 3130320), (30, 2712944), (32, 2543385), (39, 2086880), (40, 2034708), (48, 1695590), (52, 1565160), (60, 1356472), (65, 1252128), (78, 1043440), (80, 1017354), (96, 847795), (104, 782580), (120, 678236), (130, 626064), (156, 521720), (160, 508677), (195, 417376), (208, 391290), (240, 339118), (260, 313032), (312, 260860), (390, 208688), (416, 195645), (480, 169559), (520, 156516), (624, 130430), (780, 104344), (1040, 78258), (1248, 65215), (1560, 52172), (2080, 39129), (3120, 26086), (6240, 13043)]