81389616

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 281196288

約数和(自身を除く): 199806672

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 19, 21, 22, 24, 28, 33, 38, 42, 44, 48, 56, 57, 61, 66, 76, 77, 84, 88, 112, 114, 122, 132, 133, 152, 154, 168, 176, 183, 209, 228, 231, 244, 264, 266, 304, 308, 336, 361, 366, 399, 418, 427, 456, 462, 488, 528, 532, 616, 627, 671, 722, 732, 798, 836, 854, 912, 924, 976, 1064, 1083, 1159, 1232, 1254, 1281, 1342, 1444, 1463, 1464, 1596, 1672, 1708, 1848, 2013, 2128, 2166, 2318, 2508, 2527, 2562, 2684, 2888, 2926, 2928, 3192, 3344, 3416, 3477, 3696, 3971, 4026, 4332, 4389, 4636, 4697, 5016, 5054, 5124, 5368, 5776, 5852, 6384, 6832, 6954, 7581, 7942, 8052, 8113, 8664, 8778, 9272, 9394, 10032, 10108, 10248, 10736, 11704, 11913, 12749, 13908, 14091, 15162, 15884, 16104, 16226, 17328, 17556, 18544, 18788, 20216, 20496, 22021, 23408, 23826, 24339, 25498, 27797, 27816, 28182, 30324, 31768, 32208, 32452, 35112, 37576, 38247, 40432, 44042, 47652, 48678, 50996, 55594, 55632, 56364, 60648, 63536, 64904, 66063, 70224, 75152, 76494, 83391, 88084, 89243, 95304, 97356, 101992, 111188, 112728, 121296, 129808, 132126, 152988, 154147, 166782, 176168, 178486, 190608, 194712, 203984, 222376, 225456, 242231, 264252, 267729, 305976, 308294, 333564, 352336, 356972, 389424, 444752, 462441, 484462, 528504, 535458, 611952, 616588, 667128, 713944, 726693, 924882, 968924, 1057008, 1070916, 1233176, 1334256, 1427888, 1453386, 1695617, 1849764, 1937848, 2141832, 2466352, 2906772, 3391234, 3699528, 3875696, 4283664, 5086851, 5813544, 6782468, 7399056, 10173702, 11627088, 13564936, 20347404, 27129872, 40694808, 81389616]

約数ペア:

[(1, 81389616), (2, 40694808), (3, 27129872), (4, 20347404), (6, 13564936), (7, 11627088), (8, 10173702), (11, 7399056), (12, 6782468), (14, 5813544), (16, 5086851), (19, 4283664), (21, 3875696), (22, 3699528), (24, 3391234), (28, 2906772), (33, 2466352), (38, 2141832), (42, 1937848), (44, 1849764), (48, 1695617), (56, 1453386), (57, 1427888), (61, 1334256), (66, 1233176), (76, 1070916), (77, 1057008), (84, 968924), (88, 924882), (112, 726693), (114, 713944), (122, 667128), (132, 616588), (133, 611952), (152, 535458), (154, 528504), (168, 484462), (176, 462441), (183, 444752), (209, 389424), (228, 356972), (231, 352336), (244, 333564), (264, 308294), (266, 305976), (304, 267729), (308, 264252), (336, 242231), (361, 225456), (366, 222376), (399, 203984), (418, 194712), (427, 190608), (456, 178486), (462, 176168), (488, 166782), (528, 154147), (532, 152988), (616, 132126), (627, 129808), (671, 121296), (722, 112728), (732, 111188), (798, 101992), (836, 97356), (854, 95304), (912, 89243), (924, 88084), (976, 83391), (1064, 76494), (1083, 75152), (1159, 70224), (1232, 66063), (1254, 64904), (1281, 63536), (1342, 60648), (1444, 56364), (1463, 55632), (1464, 55594), (1596, 50996), (1672, 48678), (1708, 47652), (1848, 44042), (2013, 40432), (2128, 38247), (2166, 37576), (2318, 35112), (2508, 32452), (2527, 32208), (2562, 31768), (2684, 30324), (2888, 28182), (2926, 27816), (2928, 27797), (3192, 25498), (3344, 24339), (3416, 23826), (3477, 23408), (3696, 22021), (3971, 20496), (4026, 20216), (4332, 18788), (4389, 18544), (4636, 17556), (4697, 17328), (5016, 16226), (5054, 16104), (5124, 15884), (5368, 15162), (5776, 14091), (5852, 13908), (6384, 12749), (6832, 11913), (6954, 11704), (7581, 10736), (7942, 10248), (8052, 10108), (8113, 10032), (8664, 9394), (8778, 9272)]