855858780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{983}}^1$

素因数の和:1696

約数の個数: 144

約数和(自身を含む): 2974293504

約数和(自身を除く): 2118434724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 691, 983, 1260, 1382, 1966, 2073, 2764, 2949, 3455, 3932, 4146, 4837, 4915, 5898, 6219, 6881, 6910, 8292, 8847, 9674, 9830, 10365, 11796, 12438, 13762, 13820, 14511, 14745, 17694, 19348, 19660, 20643, 20730, 24185, 24876, 27524, 29022, 29490, 31095, 34405, 35388, 41286, 41460, 43533, 44235, 48370, 58044, 58980, 61929, 62190, 68810, 72555, 82572, 87066, 88470, 96740, 103215, 123858, 124380, 137620, 145110, 174132, 176940, 206430, 217665, 247716, 290220, 309645, 412860, 435330, 619290, 679253, 870660, 1238580, 1358506, 2037759, 2717012, 3396265, 4075518, 4754771, 6113277, 6792530, 8151036, 9509542, 10188795, 12226554, 13585060, 14264313, 19019084, 20377590, 23773855, 24453108, 28528626, 30566385, 40755180, 42792939, 47547710, 57057252, 61132770, 71321565, 85585878, 95095420, 122265540, 142643130, 171171756, 213964695, 285286260, 427929390, 855858780]

約数ペア:

[(1, 855858780), (2, 427929390), (3, 285286260), (4, 213964695), (5, 171171756), (6, 142643130), (7, 122265540), (9, 95095420), (10, 85585878), (12, 71321565), (14, 61132770), (15, 57057252), (18, 47547710), (20, 42792939), (21, 40755180), (28, 30566385), (30, 28528626), (35, 24453108), (36, 23773855), (42, 20377590), (45, 19019084), (60, 14264313), (63, 13585060), (70, 12226554), (84, 10188795), (90, 9509542), (105, 8151036), (126, 6792530), (140, 6113277), (180, 4754771), (210, 4075518), (252, 3396265), (315, 2717012), (420, 2037759), (630, 1358506), (691, 1238580), (983, 870660), (1260, 679253), (1382, 619290), (1966, 435330), (2073, 412860), (2764, 309645), (2949, 290220), (3455, 247716), (3932, 217665), (4146, 206430), (4837, 176940), (4915, 174132), (5898, 145110), (6219, 137620), (6881, 124380), (6910, 123858), (8292, 103215), (8847, 96740), (9674, 88470), (9830, 87066), (10365, 82572), (11796, 72555), (12438, 68810), (13762, 62190), (13820, 61929), (14511, 58980), (14745, 58044), (17694, 48370), (19348, 44235), (19660, 43533), (20643, 41460), (20730, 41286), (24185, 35388), (24876, 34405), (27524, 31095), (29022, 29490)]