1381968840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:852

約数の個数: 256

約数和(自身を含む): 4964843520

約数和(自身を除く): 3582874680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 73, 84, 93, 105, 120, 124, 140, 146, 155, 168, 186, 210, 217, 219, 248, 280, 292, 310, 365, 372, 420, 434, 438, 465, 511, 584, 620, 651, 727, 730, 744, 840, 868, 876, 930, 1022, 1085, 1095, 1240, 1302, 1454, 1460, 1533, 1736, 1752, 1860, 2044, 2170, 2181, 2190, 2263, 2555, 2604, 2908, 2920, 3066, 3255, 3635, 3720, 4088, 4340, 4362, 4380, 4526, 5089, 5110, 5208, 5816, 6132, 6510, 6789, 7270, 7665, 8680, 8724, 8760, 9052, 10178, 10220, 10905, 11315, 12264, 13020, 13578, 14540, 15267, 15330, 15841, 17448, 18104, 20356, 20440, 21810, 22537, 22630, 25445, 26040, 27156, 29080, 30534, 30660, 31682, 33945, 40712, 43620, 45074, 45260, 47523, 50890, 53071, 54312, 61068, 61320, 63364, 67611, 67890, 76335, 79205, 87240, 90148, 90520, 95046, 101780, 106142, 112685, 122136, 126728, 135222, 135780, 152670, 157759, 158410, 159213, 180296, 190092, 203560, 212284, 225370, 237615, 265355, 270444, 271560, 305340, 315518, 316820, 318426, 338055, 371497, 380184, 424568, 450740, 473277, 475230, 530710, 540888, 610680, 631036, 633640, 636852, 676110, 742994, 788795, 796065, 901480, 946554, 950460, 1061420, 1114491, 1262072, 1273704, 1352220, 1485988, 1577590, 1592130, 1645201, 1857485, 1893108, 1900920, 2122840, 2228982, 2366385, 2704440, 2971976, 3155180, 3184260, 3290402, 3714970, 3786216, 4457964, 4732770, 4935603, 5572455, 6310360, 6368520, 6580804, 7429940, 8226005, 8915928, 9465540, 9871206, 11144910, 11516407, 13161608, 14859880, 16452010, 18931080, 19742412, 22289820, 23032814, 24678015, 32904020, 34549221, 39484824, 44579640, 46065628, 49356030, 57582035, 65808040, 69098442, 92131256, 98712060, 115164070, 138196884, 172746105, 197424120, 230328140, 276393768, 345492210, 460656280, 690984420, 1381968840]

約数ペア:

[(1, 1381968840), (2, 690984420), (3, 460656280), (4, 345492210), (5, 276393768), (6, 230328140), (7, 197424120), (8, 172746105), (10, 138196884), (12, 115164070), (14, 98712060), (15, 92131256), (20, 69098442), (21, 65808040), (24, 57582035), (28, 49356030), (30, 46065628), (31, 44579640), (35, 39484824), (40, 34549221), (42, 32904020), (56, 24678015), (60, 23032814), (62, 22289820), (70, 19742412), (73, 18931080), (84, 16452010), (93, 14859880), (105, 13161608), (120, 11516407), (124, 11144910), (140, 9871206), (146, 9465540), (155, 8915928), (168, 8226005), (186, 7429940), (210, 6580804), (217, 6368520), (219, 6310360), (248, 5572455), (280, 4935603), (292, 4732770), (310, 4457964), (365, 3786216), (372, 3714970), (420, 3290402), (434, 3184260), (438, 3155180), (465, 2971976), (511, 2704440), (584, 2366385), (620, 2228982), (651, 2122840), (727, 1900920), (730, 1893108), (744, 1857485), (840, 1645201), (868, 1592130), (876, 1577590), (930, 1485988), (1022, 1352220), (1085, 1273704), (1095, 1262072), (1240, 1114491), (1302, 1061420), (1454, 950460), (1460, 946554), (1533, 901480), (1736, 796065), (1752, 788795), (1860, 742994), (2044, 676110), (2170, 636852), (2181, 633640), (2190, 631036), (2263, 610680), (2555, 540888), (2604, 530710), (2908, 475230), (2920, 473277), (3066, 450740), (3255, 424568), (3635, 380184), (3720, 371497), (4088, 338055), (4340, 318426), (4362, 316820), (4380, 315518), (4526, 305340), (5089, 271560), (5110, 270444), (5208, 265355), (5816, 237615), (6132, 225370), (6510, 212284), (6789, 203560), (7270, 190092), (7665, 180296), (8680, 159213), (8724, 158410), (8760, 157759), (9052, 152670), (10178, 135780), (10220, 135222), (10905, 126728), (11315, 122136), (12264, 112685), (13020, 106142), (13578, 101780), (14540, 95046), (15267, 90520), (15330, 90148), (15841, 87240), (17448, 79205), (18104, 76335), (20356, 67890), (20440, 67611), (21810, 63364), (22537, 61320), (22630, 61068), (25445, 54312), (26040, 53071), (27156, 50890), (29080, 47523), (30534, 45260), (30660, 45074), (31682, 43620), (33945, 40712)]