1272110840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31771}}^1$

素因数の和:31813

約数の個数: 128

約数和(自身を含む): 3843141120

約数和(自身を除く): 2571030280

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, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 8008, 10010, 20020, 31771, 40040, 63542, 127084, 158855, 222397, 254168, 317710, 349481, 413023, 444794, 635420, 698962, 826046, 889588, 1111985, 1270840, 1397924, 1652092, 1747405, 1779176, 2065115, 2223970, 2446367, 2795848, 2891161, 3304184, 3494810, 4130230, 4447940, 4543253, 4892734, 5782322, 6989620, 8260460, 8895880, 9086506, 9785468, 11564644, 12231835, 13979240, 14455805, 16520920, 18173012, 19570936, 22716265, 23129288, 24463670, 28911610, 31802771, 36346024, 45432530, 48927340, 57823220, 63605542, 90865060, 97854680, 115646440, 127211084, 159013855, 181730120, 254422168, 318027710, 636055420, 1272110840]

約数ペア:

[(1, 1272110840), (2, 636055420), (4, 318027710), (5, 254422168), (7, 181730120), (8, 159013855), (10, 127211084), (11, 115646440), (13, 97854680), (14, 90865060), (20, 63605542), (22, 57823220), (26, 48927340), (28, 45432530), (35, 36346024), (40, 31802771), (44, 28911610), (52, 24463670), (55, 23129288), (56, 22716265), (65, 19570936), (70, 18173012), (77, 16520920), (88, 14455805), (91, 13979240), (104, 12231835), (110, 11564644), (130, 9785468), (140, 9086506), (143, 8895880), (154, 8260460), (182, 6989620), (220, 5782322), (260, 4892734), (280, 4543253), (286, 4447940), (308, 4130230), (364, 3494810), (385, 3304184), (440, 2891161), (455, 2795848), (520, 2446367), (572, 2223970), (616, 2065115), (715, 1779176), (728, 1747405), (770, 1652092), (910, 1397924), (1001, 1270840), (1144, 1111985), (1430, 889588), (1540, 826046), (1820, 698962), (2002, 635420), (2860, 444794), (3080, 413023), (3640, 349481), (4004, 317710), (5005, 254168), (5720, 222397), (8008, 158855), (10010, 127084), (20020, 63542), (31771, 40040)]