1649162240

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^5$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 4352722920

約数和(自身を除く): 2703560680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 512, 605, 640, 704, 880, 968, 1024, 1210, 1280, 1331, 1408, 1760, 1936, 2048, 2420, 2560, 2662, 2816, 3520, 3872, 4840, 5120, 5324, 5632, 6655, 7040, 7744, 9680, 10240, 10648, 11264, 13310, 14080, 14641, 15488, 19360, 21296, 22528, 26620, 28160, 29282, 30976, 38720, 42592, 53240, 56320, 58564, 61952, 73205, 77440, 85184, 106480, 112640, 117128, 123904, 146410, 154880, 161051, 170368, 212960, 234256, 247808, 292820, 309760, 322102, 340736, 425920, 468512, 585640, 619520, 644204, 681472, 805255, 851840, 937024, 1171280, 1239040, 1288408, 1362944, 1610510, 1703680, 1874048, 2342560, 2576816, 2725888, 3221020, 3407360, 3748096, 4685120, 5153632, 6442040, 6814720, 7496192, 9370240, 10307264, 12884080, 13629440, 14992384, 18740480, 20614528, 25768160, 29984768, 37480960, 41229056, 51536320, 74961920, 82458112, 103072640, 149923840, 164916224, 206145280, 329832448, 412290560, 824581120, 1649162240]

約数ペア:

[(1, 1649162240), (2, 824581120), (4, 412290560), (5, 329832448), (8, 206145280), (10, 164916224), (11, 149923840), (16, 103072640), (20, 82458112), (22, 74961920), (32, 51536320), (40, 41229056), (44, 37480960), (55, 29984768), (64, 25768160), (80, 20614528), (88, 18740480), (110, 14992384), (121, 13629440), (128, 12884080), (160, 10307264), (176, 9370240), (220, 7496192), (242, 6814720), (256, 6442040), (320, 5153632), (352, 4685120), (440, 3748096), (484, 3407360), (512, 3221020), (605, 2725888), (640, 2576816), (704, 2342560), (880, 1874048), (968, 1703680), (1024, 1610510), (1210, 1362944), (1280, 1288408), (1331, 1239040), (1408, 1171280), (1760, 937024), (1936, 851840), (2048, 805255), (2420, 681472), (2560, 644204), (2662, 619520), (2816, 585640), (3520, 468512), (3872, 425920), (4840, 340736), (5120, 322102), (5324, 309760), (5632, 292820), (6655, 247808), (7040, 234256), (7744, 212960), (9680, 170368), (10240, 161051), (10648, 154880), (11264, 146410), (13310, 123904), (14080, 117128), (14641, 112640), (15488, 106480), (19360, 85184), (21296, 77440), (22528, 73205), (26620, 61952), (28160, 58564), (29282, 56320), (30976, 53240), (38720, 42592)]