31174920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 117936000

約数和(自身を除く): 86761080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 89, 90, 105, 120, 126, 139, 140, 168, 178, 180, 210, 252, 267, 278, 280, 315, 356, 360, 417, 420, 445, 504, 534, 556, 623, 630, 695, 712, 801, 834, 840, 890, 973, 1068, 1112, 1246, 1251, 1260, 1335, 1390, 1602, 1668, 1780, 1869, 1946, 2085, 2136, 2492, 2502, 2520, 2670, 2780, 2919, 3115, 3204, 3336, 3560, 3738, 3892, 4005, 4170, 4865, 4984, 5004, 5340, 5560, 5607, 5838, 6230, 6255, 6408, 7476, 7784, 8010, 8340, 8757, 9345, 9730, 10008, 10680, 11214, 11676, 12371, 12460, 12510, 14595, 14952, 16020, 16680, 17514, 18690, 19460, 22428, 23352, 24742, 24920, 25020, 28035, 29190, 32040, 35028, 37113, 37380, 38920, 43785, 44856, 49484, 50040, 56070, 58380, 61855, 70056, 74226, 74760, 86597, 87570, 98968, 111339, 112140, 116760, 123710, 148452, 173194, 175140, 185565, 222678, 224280, 247420, 259791, 296904, 346388, 350280, 371130, 432985, 445356, 494840, 519582, 556695, 692776, 742260, 779373, 865970, 890712, 1039164, 1113390, 1298955, 1484520, 1558746, 1731940, 2078328, 2226780, 2597910, 3117492, 3463880, 3896865, 4453560, 5195820, 6234984, 7793730, 10391640, 15587460, 31174920]

約数ペア:

[(1, 31174920), (2, 15587460), (3, 10391640), (4, 7793730), (5, 6234984), (6, 5195820), (7, 4453560), (8, 3896865), (9, 3463880), (10, 3117492), (12, 2597910), (14, 2226780), (15, 2078328), (18, 1731940), (20, 1558746), (21, 1484520), (24, 1298955), (28, 1113390), (30, 1039164), (35, 890712), (36, 865970), (40, 779373), (42, 742260), (45, 692776), (56, 556695), (60, 519582), (63, 494840), (70, 445356), (72, 432985), (84, 371130), (89, 350280), (90, 346388), (105, 296904), (120, 259791), (126, 247420), (139, 224280), (140, 222678), (168, 185565), (178, 175140), (180, 173194), (210, 148452), (252, 123710), (267, 116760), (278, 112140), (280, 111339), (315, 98968), (356, 87570), (360, 86597), (417, 74760), (420, 74226), (445, 70056), (504, 61855), (534, 58380), (556, 56070), (623, 50040), (630, 49484), (695, 44856), (712, 43785), (801, 38920), (834, 37380), (840, 37113), (890, 35028), (973, 32040), (1068, 29190), (1112, 28035), (1246, 25020), (1251, 24920), (1260, 24742), (1335, 23352), (1390, 22428), (1602, 19460), (1668, 18690), (1780, 17514), (1869, 16680), (1946, 16020), (2085, 14952), (2136, 14595), (2492, 12510), (2502, 12460), (2520, 12371), (2670, 11676), (2780, 11214), (2919, 10680), (3115, 10008), (3204, 9730), (3336, 9345), (3560, 8757), (3738, 8340), (3892, 8010), (4005, 7784), (4170, 7476), (4865, 6408), (4984, 6255), (5004, 6230), (5340, 5838), (5560, 5607)]