31377840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 106868160

約数和(自身を除く): 75490320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 89, 104, 113, 120, 130, 156, 178, 195, 208, 226, 240, 260, 267, 312, 339, 356, 390, 445, 452, 520, 534, 565, 624, 678, 712, 780, 890, 904, 1040, 1068, 1130, 1157, 1335, 1356, 1424, 1469, 1560, 1695, 1780, 1808, 2136, 2260, 2314, 2670, 2712, 2938, 3120, 3390, 3471, 3560, 4272, 4407, 4520, 4628, 5340, 5424, 5785, 5876, 6780, 6942, 7120, 7345, 8814, 9040, 9256, 10057, 10680, 11570, 11752, 13560, 13884, 14690, 17355, 17628, 18512, 20114, 21360, 22035, 23140, 23504, 27120, 27768, 29380, 30171, 34710, 35256, 40228, 44070, 46280, 50285, 55536, 58760, 60342, 69420, 70512, 80456, 88140, 92560, 100570, 117520, 120684, 130741, 138840, 150855, 160912, 176280, 201140, 241368, 261482, 277680, 301710, 352560, 392223, 402280, 482736, 522964, 603420, 653705, 784446, 804560, 1045928, 1206840, 1307410, 1568892, 1961115, 2091856, 2413680, 2614820, 3137784, 3922230, 5229640, 6275568, 7844460, 10459280, 15688920, 31377840]

約数ペア:

[(1, 31377840), (2, 15688920), (3, 10459280), (4, 7844460), (5, 6275568), (6, 5229640), (8, 3922230), (10, 3137784), (12, 2614820), (13, 2413680), (15, 2091856), (16, 1961115), (20, 1568892), (24, 1307410), (26, 1206840), (30, 1045928), (39, 804560), (40, 784446), (48, 653705), (52, 603420), (60, 522964), (65, 482736), (78, 402280), (80, 392223), (89, 352560), (104, 301710), (113, 277680), (120, 261482), (130, 241368), (156, 201140), (178, 176280), (195, 160912), (208, 150855), (226, 138840), (240, 130741), (260, 120684), (267, 117520), (312, 100570), (339, 92560), (356, 88140), (390, 80456), (445, 70512), (452, 69420), (520, 60342), (534, 58760), (565, 55536), (624, 50285), (678, 46280), (712, 44070), (780, 40228), (890, 35256), (904, 34710), (1040, 30171), (1068, 29380), (1130, 27768), (1157, 27120), (1335, 23504), (1356, 23140), (1424, 22035), (1469, 21360), (1560, 20114), (1695, 18512), (1780, 17628), (1808, 17355), (2136, 14690), (2260, 13884), (2314, 13560), (2670, 11752), (2712, 11570), (2938, 10680), (3120, 10057), (3390, 9256), (3471, 9040), (3560, 8814), (4272, 7345), (4407, 7120), (4520, 6942), (4628, 6780), (5340, 5876), (5424, 5785)]