64641720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3767}}^1$

素因数の和:3805

約数の個数: 128

約数和(自身を含む): 227888640

約数和(自身を除く): 163246920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 3767, 4290, 5720, 7534, 8580, 11301, 15068, 17160, 18835, 22602, 30136, 37670, 41437, 45204, 48971, 56505, 75340, 82874, 90408, 97942, 113010, 124311, 146913, 150680, 165748, 195884, 207185, 226020, 244855, 248622, 293826, 331496, 391768, 414370, 452040, 489710, 497244, 538681, 587652, 621555, 734565, 828740, 979420, 994488, 1077362, 1175304, 1243110, 1469130, 1616043, 1657480, 1958840, 2154724, 2486220, 2693405, 2938260, 3232086, 4309448, 4972440, 5386810, 5876520, 6464172, 8080215, 10773620, 12928344, 16160430, 21547240, 32320860, 64641720]

約数ペア:

[(1, 64641720), (2, 32320860), (3, 21547240), (4, 16160430), (5, 12928344), (6, 10773620), (8, 8080215), (10, 6464172), (11, 5876520), (12, 5386810), (13, 4972440), (15, 4309448), (20, 3232086), (22, 2938260), (24, 2693405), (26, 2486220), (30, 2154724), (33, 1958840), (39, 1657480), (40, 1616043), (44, 1469130), (52, 1243110), (55, 1175304), (60, 1077362), (65, 994488), (66, 979420), (78, 828740), (88, 734565), (104, 621555), (110, 587652), (120, 538681), (130, 497244), (132, 489710), (143, 452040), (156, 414370), (165, 391768), (195, 331496), (220, 293826), (260, 248622), (264, 244855), (286, 226020), (312, 207185), (330, 195884), (390, 165748), (429, 150680), (440, 146913), (520, 124311), (572, 113010), (660, 97942), (715, 90408), (780, 82874), (858, 75340), (1144, 56505), (1320, 48971), (1430, 45204), (1560, 41437), (1716, 37670), (2145, 30136), (2860, 22602), (3432, 18835), (3767, 17160), (4290, 15068), (5720, 11301), (7534, 8580)]