15587460

素因数分解:

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

素因数の和:250

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 39449340

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, 89, 90, 105, 126, 139, 140, 178, 180, 210, 252, 267, 278, 315, 356, 417, 420, 445, 534, 556, 623, 630, 695, 801, 834, 890, 973, 1068, 1246, 1251, 1260, 1335, 1390, 1602, 1668, 1780, 1869, 1946, 2085, 2492, 2502, 2670, 2780, 2919, 3115, 3204, 3738, 3892, 4005, 4170, 4865, 5004, 5340, 5607, 5838, 6230, 6255, 7476, 8010, 8340, 8757, 9345, 9730, 11214, 11676, 12371, 12460, 12510, 14595, 16020, 17514, 18690, 19460, 22428, 24742, 25020, 28035, 29190, 35028, 37113, 37380, 43785, 49484, 56070, 58380, 61855, 74226, 86597, 87570, 111339, 112140, 123710, 148452, 173194, 175140, 185565, 222678, 247420, 259791, 346388, 371130, 432985, 445356, 519582, 556695, 742260, 779373, 865970, 1039164, 1113390, 1298955, 1558746, 1731940, 2226780, 2597910, 3117492, 3896865, 5195820, 7793730, 15587460]

約数ペア:

[(1, 15587460), (2, 7793730), (3, 5195820), (4, 3896865), (5, 3117492), (6, 2597910), (7, 2226780), (9, 1731940), (10, 1558746), (12, 1298955), (14, 1113390), (15, 1039164), (18, 865970), (20, 779373), (21, 742260), (28, 556695), (30, 519582), (35, 445356), (36, 432985), (42, 371130), (45, 346388), (60, 259791), (63, 247420), (70, 222678), (84, 185565), (89, 175140), (90, 173194), (105, 148452), (126, 123710), (139, 112140), (140, 111339), (178, 87570), (180, 86597), (210, 74226), (252, 61855), (267, 58380), (278, 56070), (315, 49484), (356, 43785), (417, 37380), (420, 37113), (445, 35028), (534, 29190), (556, 28035), (623, 25020), (630, 24742), (695, 22428), (801, 19460), (834, 18690), (890, 17514), (973, 16020), (1068, 14595), (1246, 12510), (1251, 12460), (1260, 12371), (1335, 11676), (1390, 11214), (1602, 9730), (1668, 9345), (1780, 8757), (1869, 8340), (1946, 8010), (2085, 7476), (2492, 6255), (2502, 6230), (2670, 5838), (2780, 5607), (2919, 5340), (3115, 5004), (3204, 4865), (3738, 4170), (3892, 4005)]