31820040

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 320

約数和(自身を含む): 129634560

約数和(自身を除く): 97814520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 61, 63, 69, 70, 72, 81, 84, 90, 92, 105, 108, 115, 120, 122, 126, 135, 138, 140, 161, 162, 168, 180, 183, 184, 189, 207, 210, 216, 230, 244, 252, 270, 276, 280, 305, 315, 322, 324, 345, 360, 366, 378, 405, 414, 420, 427, 460, 483, 488, 504, 540, 549, 552, 567, 610, 621, 630, 644, 648, 690, 732, 756, 805, 810, 828, 840, 854, 915, 920, 945, 966, 1035, 1080, 1098, 1134, 1220, 1242, 1260, 1281, 1288, 1380, 1403, 1449, 1464, 1512, 1610, 1620, 1647, 1656, 1708, 1830, 1863, 1890, 1932, 2070, 2135, 2196, 2268, 2415, 2440, 2484, 2520, 2562, 2745, 2760, 2806, 2835, 2898, 3105, 3220, 3240, 3294, 3416, 3660, 3726, 3780, 3843, 3864, 4140, 4209, 4270, 4347, 4392, 4536, 4830, 4941, 4968, 5124, 5490, 5612, 5670, 5796, 6210, 6405, 6440, 6588, 7015, 7245, 7320, 7452, 7560, 7686, 8235, 8280, 8418, 8540, 8694, 9315, 9660, 9821, 9882, 10248, 10980, 11224, 11340, 11529, 11592, 12420, 12627, 12810, 13041, 13176, 14030, 14490, 14904, 15372, 16470, 16836, 17080, 17388, 18630, 19215, 19320, 19642, 19764, 21045, 21735, 21960, 22680, 23058, 24705, 24840, 25254, 25620, 26082, 28060, 28980, 29463, 30744, 32940, 33672, 34587, 34776, 37260, 37881, 38430, 39284, 39528, 42090, 43470, 46116, 49105, 49410, 50508, 51240, 52164, 56120, 57645, 57960, 58926, 63135, 65205, 65880, 69174, 74520, 75762, 76860, 78568, 84180, 86940, 88389, 92232, 98210, 98820, 101016, 104328, 113643, 115290, 117852, 126270, 130410, 138348, 147315, 151524, 153720, 168360, 172935, 173880, 176778, 189405, 196420, 197640, 227286, 230580, 235704, 252540, 260820, 265167, 276696, 294630, 303048, 345870, 353556, 378810, 392840, 441945, 454572, 461160, 505080, 521640, 530334, 568215, 589260, 691740, 707112, 757620, 795501, 883890, 909144, 1060668, 1136430, 1178520, 1325835, 1383480, 1515240, 1591002, 1767780, 2121336, 2272860, 2651670, 3182004, 3535560, 3977505, 4545720, 5303340, 6364008, 7955010, 10606680, 15910020, 31820040]

約数ペア:

[(1, 31820040), (2, 15910020), (3, 10606680), (4, 7955010), (5, 6364008), (6, 5303340), (7, 4545720), (8, 3977505), (9, 3535560), (10, 3182004), (12, 2651670), (14, 2272860), (15, 2121336), (18, 1767780), (20, 1591002), (21, 1515240), (23, 1383480), (24, 1325835), (27, 1178520), (28, 1136430), (30, 1060668), (35, 909144), (36, 883890), (40, 795501), (42, 757620), (45, 707112), (46, 691740), (54, 589260), (56, 568215), (60, 530334), (61, 521640), (63, 505080), (69, 461160), (70, 454572), (72, 441945), (81, 392840), (84, 378810), (90, 353556), (92, 345870), (105, 303048), (108, 294630), (115, 276696), (120, 265167), (122, 260820), (126, 252540), (135, 235704), (138, 230580), (140, 227286), (161, 197640), (162, 196420), (168, 189405), (180, 176778), (183, 173880), (184, 172935), (189, 168360), (207, 153720), (210, 151524), (216, 147315), (230, 138348), (244, 130410), (252, 126270), (270, 117852), (276, 115290), (280, 113643), (305, 104328), (315, 101016), (322, 98820), (324, 98210), (345, 92232), (360, 88389), (366, 86940), (378, 84180), (405, 78568), (414, 76860), (420, 75762), (427, 74520), (460, 69174), (483, 65880), (488, 65205), (504, 63135), (540, 58926), (549, 57960), (552, 57645), (567, 56120), (610, 52164), (621, 51240), (630, 50508), (644, 49410), (648, 49105), (690, 46116), (732, 43470), (756, 42090), (805, 39528), (810, 39284), (828, 38430), (840, 37881), (854, 37260), (915, 34776), (920, 34587), (945, 33672), (966, 32940), (1035, 30744), (1080, 29463), (1098, 28980), (1134, 28060), (1220, 26082), (1242, 25620), (1260, 25254), (1281, 24840), (1288, 24705), (1380, 23058), (1403, 22680), (1449, 21960), (1464, 21735), (1512, 21045), (1610, 19764), (1620, 19642), (1647, 19320), (1656, 19215), (1708, 18630), (1830, 17388), (1863, 17080), (1890, 16836), (1932, 16470), (2070, 15372), (2135, 14904), (2196, 14490), (2268, 14030), (2415, 13176), (2440, 13041), (2484, 12810), (2520, 12627), (2562, 12420), (2745, 11592), (2760, 11529), (2806, 11340), (2835, 11224), (2898, 10980), (3105, 10248), (3220, 9882), (3240, 9821), (3294, 9660), (3416, 9315), (3660, 8694), (3726, 8540), (3780, 8418), (3843, 8280), (3864, 8235), (4140, 7686), (4209, 7560), (4270, 7452), (4347, 7320), (4392, 7245), (4536, 7015), (4830, 6588), (4941, 6440), (4968, 6405), (5124, 6210), (5490, 5796), (5612, 5670)]