1285961344

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 2865139200

約数和(自身を除く): 1579177856

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 37, 38, 62, 64, 74, 76, 124, 128, 148, 152, 248, 296, 304, 461, 496, 589, 592, 608, 703, 922, 992, 1147, 1178, 1184, 1216, 1406, 1844, 1984, 2294, 2356, 2368, 2432, 2812, 3688, 3968, 4588, 4712, 4736, 5624, 7376, 8759, 9176, 9424, 11248, 14291, 14752, 17057, 17518, 18352, 18848, 21793, 22496, 28582, 29504, 34114, 35036, 36704, 37696, 43586, 44992, 57164, 59008, 68228, 70072, 73408, 75392, 87172, 89984, 114328, 136456, 140144, 146816, 174344, 228656, 271529, 272912, 280288, 324083, 348688, 457312, 528767, 543058, 545824, 560576, 648166, 697376, 914624, 1057534, 1086116, 1091648, 1121152, 1296332, 1394752, 1829248, 2115068, 2172232, 2183296, 2592664, 2789504, 4230136, 4344464, 5185328, 8460272, 8688928, 10046573, 10370656, 16920544, 17377856, 20093146, 20741312, 33841088, 34755712, 40186292, 41482624, 67682176, 80372584, 160745168, 321490336, 642980672, 1285961344]

約数ペア:

[(1, 1285961344), (2, 642980672), (4, 321490336), (8, 160745168), (16, 80372584), (19, 67682176), (31, 41482624), (32, 40186292), (37, 34755712), (38, 33841088), (62, 20741312), (64, 20093146), (74, 17377856), (76, 16920544), (124, 10370656), (128, 10046573), (148, 8688928), (152, 8460272), (248, 5185328), (296, 4344464), (304, 4230136), (461, 2789504), (496, 2592664), (589, 2183296), (592, 2172232), (608, 2115068), (703, 1829248), (922, 1394752), (992, 1296332), (1147, 1121152), (1178, 1091648), (1184, 1086116), (1216, 1057534), (1406, 914624), (1844, 697376), (1984, 648166), (2294, 560576), (2356, 545824), (2368, 543058), (2432, 528767), (2812, 457312), (3688, 348688), (3968, 324083), (4588, 280288), (4712, 272912), (4736, 271529), (5624, 228656), (7376, 174344), (8759, 146816), (9176, 140144), (9424, 136456), (11248, 114328), (14291, 89984), (14752, 87172), (17057, 75392), (17518, 73408), (18352, 70072), (18848, 68228), (21793, 59008), (22496, 57164), (28582, 44992), (29504, 43586), (34114, 37696), (35036, 36704)]