66201720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42437}}^1$

素因数の和:42464

約数の個数: 64

約数和(自身を含む): 213887520

約数和(自身を除く): 147685800

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, 42437, 84874, 127311, 169748, 212185, 254622, 339496, 424370, 509244, 551681, 636555, 848740, 1018488, 1103362, 1273110, 1655043, 1697480, 2206724, 2546220, 2758405, 3310086, 4413448, 5092440, 5516810, 6620172, 8275215, 11033620, 13240344, 16550430, 22067240, 33100860, 66201720]

約数ペア:

[(1, 66201720), (2, 33100860), (3, 22067240), (4, 16550430), (5, 13240344), (6, 11033620), (8, 8275215), (10, 6620172), (12, 5516810), (13, 5092440), (15, 4413448), (20, 3310086), (24, 2758405), (26, 2546220), (30, 2206724), (39, 1697480), (40, 1655043), (52, 1273110), (60, 1103362), (65, 1018488), (78, 848740), (104, 636555), (120, 551681), (130, 509244), (156, 424370), (195, 339496), (260, 254622), (312, 212185), (390, 169748), (520, 127311), (780, 84874), (1560, 42437)]