20138195280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{255043}}^1$

素因数の和:255113

約数の個数: 160

約数和(自身を含む): 72865050624

約数和(自身を除く): 52726855344

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 210, 235, 240, 280, 282, 329, 336, 376, 420, 470, 560, 564, 658, 705, 752, 840, 940, 987, 1128, 1316, 1410, 1645, 1680, 1880, 1974, 2256, 2632, 2820, 3290, 3760, 3948, 4935, 5264, 5640, 6580, 7896, 9870, 11280, 13160, 15792, 19740, 26320, 39480, 78960, 255043, 510086, 765129, 1020172, 1275215, 1530258, 1785301, 2040344, 2550430, 3060516, 3570602, 3825645, 4080688, 5100860, 5355903, 6121032, 7141204, 7651290, 8926505, 10201720, 10711806, 11987021, 12242064, 14282408, 15302580, 17853010, 20403440, 21423612, 23974042, 26779515, 28564816, 30605160, 35706020, 35961063, 42847224, 47948084, 53559030, 59935105, 61210320, 71412040, 71922126, 83909147, 85694448, 95896168, 107118060, 119870210, 142824080, 143844252, 167818294, 179805315, 191792336, 214236120, 239740420, 251727441, 287688504, 335636588, 359610630, 419545735, 428472240, 479480840, 503454882, 575377008, 671273176, 719221260, 839091470, 958961680, 1006909764, 1258637205, 1342546352, 1438442520, 1678182940, 2013819528, 2517274410, 2876885040, 3356365880, 4027639056, 5034548820, 6712731760, 10069097640, 20138195280]

約数ペア:

[(1, 20138195280), (2, 10069097640), (3, 6712731760), (4, 5034548820), (5, 4027639056), (6, 3356365880), (7, 2876885040), (8, 2517274410), (10, 2013819528), (12, 1678182940), (14, 1438442520), (15, 1342546352), (16, 1258637205), (20, 1006909764), (21, 958961680), (24, 839091470), (28, 719221260), (30, 671273176), (35, 575377008), (40, 503454882), (42, 479480840), (47, 428472240), (48, 419545735), (56, 359610630), (60, 335636588), (70, 287688504), (80, 251727441), (84, 239740420), (94, 214236120), (105, 191792336), (112, 179805315), (120, 167818294), (140, 143844252), (141, 142824080), (168, 119870210), (188, 107118060), (210, 95896168), (235, 85694448), (240, 83909147), (280, 71922126), (282, 71412040), (329, 61210320), (336, 59935105), (376, 53559030), (420, 47948084), (470, 42847224), (560, 35961063), (564, 35706020), (658, 30605160), (705, 28564816), (752, 26779515), (840, 23974042), (940, 21423612), (987, 20403440), (1128, 17853010), (1316, 15302580), (1410, 14282408), (1645, 12242064), (1680, 11987021), (1880, 10711806), (1974, 10201720), (2256, 8926505), (2632, 7651290), (2820, 7141204), (3290, 6121032), (3760, 5355903), (3948, 5100860), (4935, 4080688), (5264, 3825645), (5640, 3570602), (6580, 3060516), (7896, 2550430), (9870, 2040344), (11280, 1785301), (13160, 1530258), (15792, 1275215), (19740, 1020172), (26320, 765129), (39480, 510086), (78960, 255043)]