2000118780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5581}}^1$

素因数の和:5788

約数の個数: 144

約数和(自身を含む): 6656334048

約数和(自身を除く): 4656215268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 181, 198, 220, 330, 362, 396, 495, 543, 660, 724, 905, 990, 1086, 1629, 1810, 1980, 1991, 2172, 2715, 3258, 3620, 3982, 5430, 5581, 5973, 6516, 7964, 8145, 9955, 10860, 11162, 11946, 16290, 16743, 17919, 19910, 22324, 23892, 27905, 29865, 32580, 33486, 35838, 39820, 50229, 55810, 59730, 61391, 66972, 71676, 83715, 89595, 100458, 111620, 119460, 122782, 167430, 179190, 184173, 200916, 245564, 251145, 306955, 334860, 358380, 368346, 502290, 552519, 613910, 736692, 920865, 1004580, 1010161, 1105038, 1227820, 1841730, 2020322, 2210076, 2762595, 3030483, 3683460, 4040644, 5050805, 5525190, 6060966, 9091449, 10101610, 11050380, 11111771, 12121932, 15152415, 18182898, 20203220, 22223542, 30304830, 33335313, 36365796, 44447084, 45457245, 55558855, 60609660, 66670626, 90914490, 100005939, 111117710, 133341252, 166676565, 181828980, 200011878, 222235420, 333353130, 400023756, 500029695, 666706260, 1000059390, 2000118780]

約数ペア:

[(1, 2000118780), (2, 1000059390), (3, 666706260), (4, 500029695), (5, 400023756), (6, 333353130), (9, 222235420), (10, 200011878), (11, 181828980), (12, 166676565), (15, 133341252), (18, 111117710), (20, 100005939), (22, 90914490), (30, 66670626), (33, 60609660), (36, 55558855), (44, 45457245), (45, 44447084), (55, 36365796), (60, 33335313), (66, 30304830), (90, 22223542), (99, 20203220), (110, 18182898), (132, 15152415), (165, 12121932), (180, 11111771), (181, 11050380), (198, 10101610), (220, 9091449), (330, 6060966), (362, 5525190), (396, 5050805), (495, 4040644), (543, 3683460), (660, 3030483), (724, 2762595), (905, 2210076), (990, 2020322), (1086, 1841730), (1629, 1227820), (1810, 1105038), (1980, 1010161), (1991, 1004580), (2172, 920865), (2715, 736692), (3258, 613910), (3620, 552519), (3982, 502290), (5430, 368346), (5581, 358380), (5973, 334860), (6516, 306955), (7964, 251145), (8145, 245564), (9955, 200916), (10860, 184173), (11162, 179190), (11946, 167430), (16290, 122782), (16743, 119460), (17919, 111620), (19910, 100458), (22324, 89595), (23892, 83715), (27905, 71676), (29865, 66972), (32580, 61391), (33486, 59730), (35838, 55810), (39820, 50229)]