15688920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 51710400

約数和(自身を除く): 36021480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 113, 120, 130, 156, 178, 195, 226, 260, 267, 312, 339, 356, 390, 445, 452, 520, 534, 565, 678, 712, 780, 890, 904, 1068, 1130, 1157, 1335, 1356, 1469, 1560, 1695, 1780, 2136, 2260, 2314, 2670, 2712, 2938, 3390, 3471, 3560, 4407, 4520, 4628, 5340, 5785, 5876, 6780, 6942, 7345, 8814, 9256, 10057, 10680, 11570, 11752, 13560, 13884, 14690, 17355, 17628, 20114, 22035, 23140, 27768, 29380, 30171, 34710, 35256, 40228, 44070, 46280, 50285, 58760, 60342, 69420, 80456, 88140, 100570, 120684, 130741, 138840, 150855, 176280, 201140, 241368, 261482, 301710, 392223, 402280, 522964, 603420, 653705, 784446, 1045928, 1206840, 1307410, 1568892, 1961115, 2614820, 3137784, 3922230, 5229640, 7844460, 15688920]

約数ペア:

[(1, 15688920), (2, 7844460), (3, 5229640), (4, 3922230), (5, 3137784), (6, 2614820), (8, 1961115), (10, 1568892), (12, 1307410), (13, 1206840), (15, 1045928), (20, 784446), (24, 653705), (26, 603420), (30, 522964), (39, 402280), (40, 392223), (52, 301710), (60, 261482), (65, 241368), (78, 201140), (89, 176280), (104, 150855), (113, 138840), (120, 130741), (130, 120684), (156, 100570), (178, 88140), (195, 80456), (226, 69420), (260, 60342), (267, 58760), (312, 50285), (339, 46280), (356, 44070), (390, 40228), (445, 35256), (452, 34710), (520, 30171), (534, 29380), (565, 27768), (678, 23140), (712, 22035), (780, 20114), (890, 17628), (904, 17355), (1068, 14690), (1130, 13884), (1157, 13560), (1335, 11752), (1356, 11570), (1469, 10680), (1560, 10057), (1695, 9256), (1780, 8814), (2136, 7345), (2260, 6942), (2314, 6780), (2670, 5876), (2712, 5785), (2938, 5340), (3390, 4628), (3471, 4520), (3560, 4407)]