688008420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1087

約数の個数: 216

約数和(自身を含む): 2370251520

約数和(自身を除く): 1682243100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 930, 990, 1019, 1023, 1089, 1116, 1210, 1364, 1395, 1452, 1705, 1815, 1860, 1980, 2038, 2046, 2178, 2420, 2790, 3057, 3069, 3410, 3630, 3751, 4076, 4092, 4356, 5095, 5115, 5445, 5580, 6114, 6138, 6820, 7260, 7502, 9171, 10190, 10230, 10890, 11209, 11253, 12228, 12276, 15004, 15285, 15345, 18342, 18755, 20380, 20460, 21780, 22418, 22506, 30570, 30690, 31589, 33627, 33759, 36684, 37510, 44836, 45012, 45855, 56045, 56265, 61140, 61380, 63178, 67254, 67518, 75020, 91710, 94767, 100881, 112090, 112530, 123299, 126356, 134508, 135036, 157945, 168135, 168795, 183420, 189534, 201762, 224180, 225060, 246598, 284301, 315890, 336270, 337590, 347479, 369897, 379068, 403524, 473835, 493196, 504405, 568602, 616495, 631780, 672540, 675180, 694958, 739794, 947670, 1008810, 1042437, 1109691, 1137204, 1232990, 1389916, 1421505, 1479588, 1737395, 1849485, 1895340, 2017620, 2084874, 2219382, 2465980, 2843010, 3127311, 3474790, 3698970, 3822269, 4169748, 4438764, 5212185, 5548455, 5686020, 6254622, 6949580, 7397940, 7644538, 10424370, 11096910, 11466807, 12509244, 15289076, 15636555, 19111345, 20848740, 22193820, 22933614, 31273110, 34400421, 38222690, 45867228, 57334035, 62546220, 68800842, 76445380, 114668070, 137601684, 172002105, 229336140, 344004210, 688008420]

約数ペア:

[(1, 688008420), (2, 344004210), (3, 229336140), (4, 172002105), (5, 137601684), (6, 114668070), (9, 76445380), (10, 68800842), (11, 62546220), (12, 57334035), (15, 45867228), (18, 38222690), (20, 34400421), (22, 31273110), (30, 22933614), (31, 22193820), (33, 20848740), (36, 19111345), (44, 15636555), (45, 15289076), (55, 12509244), (60, 11466807), (62, 11096910), (66, 10424370), (90, 7644538), (93, 7397940), (99, 6949580), (110, 6254622), (121, 5686020), (124, 5548455), (132, 5212185), (155, 4438764), (165, 4169748), (180, 3822269), (186, 3698970), (198, 3474790), (220, 3127311), (242, 2843010), (279, 2465980), (310, 2219382), (330, 2084874), (341, 2017620), (363, 1895340), (372, 1849485), (396, 1737395), (465, 1479588), (484, 1421505), (495, 1389916), (558, 1232990), (605, 1137204), (620, 1109691), (660, 1042437), (682, 1008810), (726, 947670), (930, 739794), (990, 694958), (1019, 675180), (1023, 672540), (1089, 631780), (1116, 616495), (1210, 568602), (1364, 504405), (1395, 493196), (1452, 473835), (1705, 403524), (1815, 379068), (1860, 369897), (1980, 347479), (2038, 337590), (2046, 336270), (2178, 315890), (2420, 284301), (2790, 246598), (3057, 225060), (3069, 224180), (3410, 201762), (3630, 189534), (3751, 183420), (4076, 168795), (4092, 168135), (4356, 157945), (5095, 135036), (5115, 134508), (5445, 126356), (5580, 123299), (6114, 112530), (6138, 112090), (6820, 100881), (7260, 94767), (7502, 91710), (9171, 75020), (10190, 67518), (10230, 67254), (10890, 63178), (11209, 61380), (11253, 61140), (12228, 56265), (12276, 56045), (15004, 45855), (15285, 45012), (15345, 44836), (18342, 37510), (18755, 36684), (20380, 33759), (20460, 33627), (21780, 31589), (22418, 30690), (22506, 30570)]