205731120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1043

約数の個数: 160

約数和(自身を含む): 734952960

約数和(自身を除く): 529221840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 336, 417, 420, 556, 560, 695, 834, 840, 881, 973, 1112, 1390, 1668, 1680, 1762, 1946, 2085, 2224, 2643, 2780, 2919, 3336, 3524, 3892, 4170, 4405, 4865, 5286, 5560, 5838, 6167, 6672, 7048, 7784, 8340, 8810, 9730, 10572, 11120, 11676, 12334, 13215, 14096, 14595, 15568, 16680, 17620, 18501, 19460, 21144, 23352, 24668, 26430, 29190, 30835, 33360, 35240, 37002, 38920, 42288, 46704, 49336, 52860, 58380, 61670, 70480, 74004, 77840, 92505, 98672, 105720, 116760, 122459, 123340, 148008, 185010, 211440, 233520, 244918, 246680, 296016, 367377, 370020, 489836, 493360, 612295, 734754, 740040, 857213, 979672, 1224590, 1469508, 1480080, 1714426, 1836885, 1959344, 2449180, 2571639, 2939016, 3428852, 3673770, 4286065, 4898360, 5143278, 5878032, 6857704, 7347540, 8572130, 9796720, 10286556, 12858195, 13715408, 14695080, 17144260, 20573112, 25716390, 29390160, 34288520, 41146224, 51432780, 68577040, 102865560, 205731120]

約数ペア:

[(1, 205731120), (2, 102865560), (3, 68577040), (4, 51432780), (5, 41146224), (6, 34288520), (7, 29390160), (8, 25716390), (10, 20573112), (12, 17144260), (14, 14695080), (15, 13715408), (16, 12858195), (20, 10286556), (21, 9796720), (24, 8572130), (28, 7347540), (30, 6857704), (35, 5878032), (40, 5143278), (42, 4898360), (48, 4286065), (56, 3673770), (60, 3428852), (70, 2939016), (80, 2571639), (84, 2449180), (105, 1959344), (112, 1836885), (120, 1714426), (139, 1480080), (140, 1469508), (168, 1224590), (210, 979672), (240, 857213), (278, 740040), (280, 734754), (336, 612295), (417, 493360), (420, 489836), (556, 370020), (560, 367377), (695, 296016), (834, 246680), (840, 244918), (881, 233520), (973, 211440), (1112, 185010), (1390, 148008), (1668, 123340), (1680, 122459), (1762, 116760), (1946, 105720), (2085, 98672), (2224, 92505), (2643, 77840), (2780, 74004), (2919, 70480), (3336, 61670), (3524, 58380), (3892, 52860), (4170, 49336), (4405, 46704), (4865, 42288), (5286, 38920), (5560, 37002), (5838, 35240), (6167, 33360), (6672, 30835), (7048, 29190), (7784, 26430), (8340, 24668), (8810, 23352), (9730, 21144), (10572, 19460), (11120, 18501), (11676, 17620), (12334, 16680), (13215, 15568), (14096, 14595)]