311513580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 288

約数和(自身を含む): 1151801280

約数和(自身を除く): 840287700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 61, 63, 70, 84, 90, 98, 105, 108, 122, 126, 135, 140, 147, 180, 183, 189, 193, 196, 210, 244, 245, 252, 270, 294, 305, 315, 366, 378, 386, 420, 427, 441, 490, 540, 549, 579, 588, 610, 630, 732, 735, 756, 772, 854, 882, 915, 945, 965, 980, 1098, 1158, 1220, 1260, 1281, 1323, 1351, 1470, 1647, 1708, 1737, 1764, 1830, 1890, 1930, 2135, 2196, 2205, 2316, 2562, 2646, 2702, 2745, 2895, 2940, 2989, 3294, 3474, 3660, 3780, 3843, 3860, 4053, 4270, 4410, 5124, 5211, 5292, 5404, 5490, 5790, 5978, 6405, 6588, 6615, 6755, 6948, 7686, 8106, 8235, 8540, 8685, 8820, 8967, 9457, 10422, 10980, 11529, 11580, 11773, 11956, 12159, 12810, 13230, 13510, 14945, 15372, 16212, 16470, 17370, 17934, 18914, 19215, 20265, 20844, 23058, 23546, 24318, 25620, 26055, 26460, 26901, 27020, 28371, 29890, 32940, 34740, 35319, 35868, 36477, 37828, 38430, 40530, 44835, 46116, 47092, 47285, 48636, 52110, 53802, 56742, 57645, 58865, 59780, 60795, 70638, 72954, 76860, 80703, 81060, 82411, 85113, 89670, 94570, 104220, 105957, 107604, 113484, 115290, 117730, 121590, 134505, 141276, 141855, 145908, 161406, 164822, 170226, 176595, 179340, 182385, 189140, 211914, 230580, 235460, 243180, 247233, 255339, 269010, 283710, 317871, 322812, 329644, 340452, 353190, 364770, 403515, 412055, 423828, 425565, 494466, 510678, 529785, 538020, 567420, 576877, 635742, 706380, 729540, 741699, 807030, 824110, 851130, 988932, 1021356, 1059570, 1153754, 1236165, 1271484, 1276695, 1483398, 1589355, 1614060, 1648220, 1702260, 1730631, 2119140, 2225097, 2307508, 2472330, 2553390, 2884385, 2966796, 3178710, 3461262, 3708495, 4450194, 4944660, 5106780, 5191893, 5768770, 6357420, 6922524, 7416990, 8653155, 8900388, 10383786, 11125485, 11537540, 14833980, 15575679, 17306310, 20767572, 22250970, 25959465, 31151358, 34612620, 44501940, 51918930, 62302716, 77878395, 103837860, 155756790, 311513580]

約数ペア:

[(1, 311513580), (2, 155756790), (3, 103837860), (4, 77878395), (5, 62302716), (6, 51918930), (7, 44501940), (9, 34612620), (10, 31151358), (12, 25959465), (14, 22250970), (15, 20767572), (18, 17306310), (20, 15575679), (21, 14833980), (27, 11537540), (28, 11125485), (30, 10383786), (35, 8900388), (36, 8653155), (42, 7416990), (45, 6922524), (49, 6357420), (54, 5768770), (60, 5191893), (61, 5106780), (63, 4944660), (70, 4450194), (84, 3708495), (90, 3461262), (98, 3178710), (105, 2966796), (108, 2884385), (122, 2553390), (126, 2472330), (135, 2307508), (140, 2225097), (147, 2119140), (180, 1730631), (183, 1702260), (189, 1648220), (193, 1614060), (196, 1589355), (210, 1483398), (244, 1276695), (245, 1271484), (252, 1236165), (270, 1153754), (294, 1059570), (305, 1021356), (315, 988932), (366, 851130), (378, 824110), (386, 807030), (420, 741699), (427, 729540), (441, 706380), (490, 635742), (540, 576877), (549, 567420), (579, 538020), (588, 529785), (610, 510678), (630, 494466), (732, 425565), (735, 423828), (756, 412055), (772, 403515), (854, 364770), (882, 353190), (915, 340452), (945, 329644), (965, 322812), (980, 317871), (1098, 283710), (1158, 269010), (1220, 255339), (1260, 247233), (1281, 243180), (1323, 235460), (1351, 230580), (1470, 211914), (1647, 189140), (1708, 182385), (1737, 179340), (1764, 176595), (1830, 170226), (1890, 164822), (1930, 161406), (2135, 145908), (2196, 141855), (2205, 141276), (2316, 134505), (2562, 121590), (2646, 117730), (2702, 115290), (2745, 113484), (2895, 107604), (2940, 105957), (2989, 104220), (3294, 94570), (3474, 89670), (3660, 85113), (3780, 82411), (3843, 81060), (3860, 80703), (4053, 76860), (4270, 72954), (4410, 70638), (5124, 60795), (5211, 59780), (5292, 58865), (5404, 57645), (5490, 56742), (5790, 53802), (5978, 52110), (6405, 48636), (6588, 47285), (6615, 47092), (6755, 46116), (6948, 44835), (7686, 40530), (8106, 38430), (8235, 37828), (8540, 36477), (8685, 35868), (8820, 35319), (8967, 34740), (9457, 32940), (10422, 29890), (10980, 28371), (11529, 27020), (11580, 26901), (11773, 26460), (11956, 26055), (12159, 25620), (12810, 24318), (13230, 23546), (13510, 23058), (14945, 20844), (15372, 20265), (16212, 19215), (16470, 18914), (17370, 17934)]