691383420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42209}}^1$

素因数の和:42244

約数の個数: 144

約数和(自身を含む): 2581225920

約数和(自身を除く): 1889842500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 42209, 84418, 126627, 168836, 211045, 253254, 295463, 379881, 422090, 506508, 548717, 590926, 633135, 759762, 844180, 886389, 1097434, 1181852, 1266270, 1477315, 1519524, 1646151, 1772778, 1899405, 2194868, 2532540, 2659167, 2743585, 2954630, 3292302, 3545556, 3798810, 3841019, 4431945, 4938453, 5318334, 5487170, 5909260, 6584604, 7597620, 7682038, 8230755, 8863890, 9876906, 10636668, 10974340, 11523057, 13295835, 15364076, 16461510, 17727780, 19205095, 19753812, 23046114, 24692265, 26591670, 32923020, 34569171, 38410190, 46092228, 49384530, 53183340, 57615285, 69138342, 76820380, 98769060, 115230570, 138276684, 172845855, 230461140, 345691710, 691383420]

約数ペア:

[(1, 691383420), (2, 345691710), (3, 230461140), (4, 172845855), (5, 138276684), (6, 115230570), (7, 98769060), (9, 76820380), (10, 69138342), (12, 57615285), (13, 53183340), (14, 49384530), (15, 46092228), (18, 38410190), (20, 34569171), (21, 32923020), (26, 26591670), (28, 24692265), (30, 23046114), (35, 19753812), (36, 19205095), (39, 17727780), (42, 16461510), (45, 15364076), (52, 13295835), (60, 11523057), (63, 10974340), (65, 10636668), (70, 9876906), (78, 8863890), (84, 8230755), (90, 7682038), (91, 7597620), (105, 6584604), (117, 5909260), (126, 5487170), (130, 5318334), (140, 4938453), (156, 4431945), (180, 3841019), (182, 3798810), (195, 3545556), (210, 3292302), (234, 2954630), (252, 2743585), (260, 2659167), (273, 2532540), (315, 2194868), (364, 1899405), (390, 1772778), (420, 1646151), (455, 1519524), (468, 1477315), (546, 1266270), (585, 1181852), (630, 1097434), (780, 886389), (819, 844180), (910, 759762), (1092, 633135), (1170, 590926), (1260, 548717), (1365, 506508), (1638, 422090), (1820, 379881), (2340, 295463), (2730, 253254), (3276, 211045), (4095, 168836), (5460, 126627), (8190, 84418), (16380, 42209)]