66586520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1705

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 134690920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1663, 1820, 2002, 2860, 3080, 3326, 3640, 4004, 5005, 5720, 6652, 8008, 8315, 10010, 11641, 13304, 16630, 18293, 20020, 21619, 23282, 33260, 36586, 40040, 43238, 46564, 58205, 66520, 73172, 86476, 91465, 93128, 108095, 116410, 128051, 146344, 151333, 172952, 182930, 216190, 232820, 237809, 256102, 302666, 365860, 432380, 465640, 475618, 512204, 605332, 640255, 731720, 756665, 864760, 951236, 1024408, 1189045, 1210664, 1280510, 1513330, 1664663, 1902472, 2378090, 2561020, 3026660, 3329326, 4756180, 5122040, 6053320, 6658652, 8323315, 9512360, 13317304, 16646630, 33293260, 66586520]

約数ペア:

[(1, 66586520), (2, 33293260), (4, 16646630), (5, 13317304), (7, 9512360), (8, 8323315), (10, 6658652), (11, 6053320), (13, 5122040), (14, 4756180), (20, 3329326), (22, 3026660), (26, 2561020), (28, 2378090), (35, 1902472), (40, 1664663), (44, 1513330), (52, 1280510), (55, 1210664), (56, 1189045), (65, 1024408), (70, 951236), (77, 864760), (88, 756665), (91, 731720), (104, 640255), (110, 605332), (130, 512204), (140, 475618), (143, 465640), (154, 432380), (182, 365860), (220, 302666), (260, 256102), (280, 237809), (286, 232820), (308, 216190), (364, 182930), (385, 172952), (440, 151333), (455, 146344), (520, 128051), (572, 116410), (616, 108095), (715, 93128), (728, 91465), (770, 86476), (910, 73172), (1001, 66520), (1144, 58205), (1430, 46564), (1540, 43238), (1663, 40040), (1820, 36586), (2002, 33260), (2860, 23282), (3080, 21619), (3326, 20020), (3640, 18293), (4004, 16630), (5005, 13304), (5720, 11641), (6652, 10010), (8008, 8315)]