1215667728

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1378

約数の個数: 240

約数和(自身を含む): 4035932160

約数和(自身を除く): 2820264432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 31, 33, 36, 38, 44, 48, 57, 62, 66, 72, 76, 88, 93, 99, 114, 124, 132, 144, 152, 171, 176, 186, 198, 209, 228, 248, 264, 279, 304, 341, 342, 372, 396, 418, 456, 496, 528, 558, 589, 627, 682, 684, 744, 792, 836, 912, 1023, 1116, 1178, 1254, 1303, 1364, 1368, 1488, 1584, 1672, 1767, 1881, 2046, 2232, 2356, 2508, 2606, 2728, 2736, 3069, 3344, 3534, 3762, 3909, 4092, 4464, 4712, 5016, 5212, 5301, 5456, 6138, 6479, 7068, 7524, 7818, 8184, 9424, 10032, 10424, 10602, 11727, 12276, 12958, 14136, 14333, 15048, 15636, 16368, 19437, 20848, 21204, 23454, 24552, 24757, 25916, 28272, 28666, 30096, 31272, 38874, 40393, 42408, 42999, 46908, 49104, 49514, 51832, 57332, 58311, 62544, 74271, 77748, 80786, 84816, 85998, 93816, 99028, 103664, 114664, 116622, 121179, 128997, 148542, 155496, 161572, 171996, 187632, 198056, 222813, 229328, 233244, 242358, 257994, 272327, 297084, 310992, 323144, 343992, 363537, 396112, 444323, 445626, 466488, 484716, 515988, 544654, 594168, 646288, 687984, 727074, 767467, 816981, 888646, 891252, 932976, 969432, 1031976, 1089308, 1188336, 1332969, 1454148, 1534934, 1633962, 1777292, 1782504, 1938864, 2063952, 2178616, 2302401, 2450943, 2665938, 2908296, 3069868, 3267924, 3554584, 3565008, 3998907, 4357232, 4604802, 4901886, 5331876, 5816592, 6139736, 6535848, 6907203, 7109168, 7997814, 8442137, 9209604, 9803772, 10663752, 12279472, 13071696, 13814406, 15995628, 16884274, 18419208, 19607544, 21327504, 25326411, 27628812, 31991256, 33768548, 36838416, 39215088, 50652822, 55257624, 63982512, 67537096, 75979233, 101305644, 110515248, 135074192, 151958466, 202611288, 303916932, 405222576, 607833864, 1215667728]

約数ペア:

[(1, 1215667728), (2, 607833864), (3, 405222576), (4, 303916932), (6, 202611288), (8, 151958466), (9, 135074192), (11, 110515248), (12, 101305644), (16, 75979233), (18, 67537096), (19, 63982512), (22, 55257624), (24, 50652822), (31, 39215088), (33, 36838416), (36, 33768548), (38, 31991256), (44, 27628812), (48, 25326411), (57, 21327504), (62, 19607544), (66, 18419208), (72, 16884274), (76, 15995628), (88, 13814406), (93, 13071696), (99, 12279472), (114, 10663752), (124, 9803772), (132, 9209604), (144, 8442137), (152, 7997814), (171, 7109168), (176, 6907203), (186, 6535848), (198, 6139736), (209, 5816592), (228, 5331876), (248, 4901886), (264, 4604802), (279, 4357232), (304, 3998907), (341, 3565008), (342, 3554584), (372, 3267924), (396, 3069868), (418, 2908296), (456, 2665938), (496, 2450943), (528, 2302401), (558, 2178616), (589, 2063952), (627, 1938864), (682, 1782504), (684, 1777292), (744, 1633962), (792, 1534934), (836, 1454148), (912, 1332969), (1023, 1188336), (1116, 1089308), (1178, 1031976), (1254, 969432), (1303, 932976), (1364, 891252), (1368, 888646), (1488, 816981), (1584, 767467), (1672, 727074), (1767, 687984), (1881, 646288), (2046, 594168), (2232, 544654), (2356, 515988), (2508, 484716), (2606, 466488), (2728, 445626), (2736, 444323), (3069, 396112), (3344, 363537), (3534, 343992), (3762, 323144), (3909, 310992), (4092, 297084), (4464, 272327), (4712, 257994), (5016, 242358), (5212, 233244), (5301, 229328), (5456, 222813), (6138, 198056), (6479, 187632), (7068, 171996), (7524, 161572), (7818, 155496), (8184, 148542), (9424, 128997), (10032, 121179), (10424, 116622), (10602, 114664), (11727, 103664), (12276, 99028), (12958, 93816), (14136, 85998), (14333, 84816), (15048, 80786), (15636, 77748), (16368, 74271), (19437, 62544), (20848, 58311), (21204, 57332), (23454, 51832), (24552, 49514), (24757, 49104), (25916, 46908), (28272, 42999), (28666, 42408), (30096, 40393), (31272, 38874)]