487755240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18731}}^1$

素因数の和:18783

約数の個数: 128

約数和(自身を含む): 1726341120

約数和(自身を除く): 1238585880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 18731, 26040, 37462, 56193, 74924, 93655, 112386, 131117, 149848, 187310, 224772, 262234, 280965, 374620, 393351, 449544, 524468, 561930, 580661, 655585, 749240, 786702, 1048936, 1123860, 1161322, 1311170, 1573404, 1741983, 1966755, 2247720, 2322644, 2622340, 2903305, 3146808, 3483966, 3933510, 4064627, 4645288, 5244680, 5806610, 6967932, 7867020, 8129254, 8709915, 11613220, 12193881, 13935864, 15734040, 16258508, 17419830, 20323135, 23226440, 24387762, 32517016, 34839660, 40646270, 48775524, 60969405, 69679320, 81292540, 97551048, 121938810, 162585080, 243877620, 487755240]

約数ペア:

[(1, 487755240), (2, 243877620), (3, 162585080), (4, 121938810), (5, 97551048), (6, 81292540), (7, 69679320), (8, 60969405), (10, 48775524), (12, 40646270), (14, 34839660), (15, 32517016), (20, 24387762), (21, 23226440), (24, 20323135), (28, 17419830), (30, 16258508), (31, 15734040), (35, 13935864), (40, 12193881), (42, 11613220), (56, 8709915), (60, 8129254), (62, 7867020), (70, 6967932), (84, 5806610), (93, 5244680), (105, 4645288), (120, 4064627), (124, 3933510), (140, 3483966), (155, 3146808), (168, 2903305), (186, 2622340), (210, 2322644), (217, 2247720), (248, 1966755), (280, 1741983), (310, 1573404), (372, 1311170), (420, 1161322), (434, 1123860), (465, 1048936), (620, 786702), (651, 749240), (744, 655585), (840, 580661), (868, 561930), (930, 524468), (1085, 449544), (1240, 393351), (1302, 374620), (1736, 280965), (1860, 262234), (2170, 224772), (2604, 187310), (3255, 149848), (3720, 131117), (4340, 112386), (5208, 93655), (6510, 74924), (8680, 56193), (13020, 37462), (18731, 26040)]