64564680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 204768000

約数和(自身を除く): 140203320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 157, 184, 230, 276, 298, 314, 345, 447, 460, 471, 552, 596, 628, 690, 745, 785, 894, 920, 942, 1192, 1256, 1380, 1490, 1570, 1788, 1884, 2235, 2355, 2760, 2980, 3140, 3427, 3576, 3611, 3768, 4470, 4710, 5960, 6280, 6854, 7222, 8940, 9420, 10281, 10833, 13708, 14444, 17135, 17880, 18055, 18840, 20562, 21666, 23393, 27416, 28888, 34270, 36110, 41124, 43332, 46786, 51405, 54165, 68540, 70179, 72220, 82248, 86664, 93572, 102810, 108330, 116965, 137080, 140358, 144440, 187144, 205620, 216660, 233930, 280716, 350895, 411240, 433320, 467860, 538039, 561432, 701790, 935720, 1076078, 1403580, 1614117, 2152156, 2690195, 2807160, 3228234, 4304312, 5380390, 6456468, 8070585, 10760780, 12912936, 16141170, 21521560, 32282340, 64564680]

約数ペア:

[(1, 64564680), (2, 32282340), (3, 21521560), (4, 16141170), (5, 12912936), (6, 10760780), (8, 8070585), (10, 6456468), (12, 5380390), (15, 4304312), (20, 3228234), (23, 2807160), (24, 2690195), (30, 2152156), (40, 1614117), (46, 1403580), (60, 1076078), (69, 935720), (92, 701790), (115, 561432), (120, 538039), (138, 467860), (149, 433320), (157, 411240), (184, 350895), (230, 280716), (276, 233930), (298, 216660), (314, 205620), (345, 187144), (447, 144440), (460, 140358), (471, 137080), (552, 116965), (596, 108330), (628, 102810), (690, 93572), (745, 86664), (785, 82248), (894, 72220), (920, 70179), (942, 68540), (1192, 54165), (1256, 51405), (1380, 46786), (1490, 43332), (1570, 41124), (1788, 36110), (1884, 34270), (2235, 28888), (2355, 27416), (2760, 23393), (2980, 21666), (3140, 20562), (3427, 18840), (3576, 18055), (3611, 17880), (3768, 17135), (4470, 14444), (4710, 13708), (5960, 10833), (6280, 10281), (6854, 9420), (7222, 8940)]