1308916840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22367}}^1$

素因数の和:22415

約数の個数: 128

約数和(自身を含む): 3865190400

約数和(自身を除く): 2556273560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 88, 95, 110, 133, 140, 152, 154, 190, 209, 220, 266, 280, 308, 380, 385, 418, 440, 532, 616, 665, 760, 770, 836, 1045, 1064, 1330, 1463, 1540, 1672, 2090, 2660, 2926, 3080, 4180, 5320, 5852, 7315, 8360, 11704, 14630, 22367, 29260, 44734, 58520, 89468, 111835, 156569, 178936, 223670, 246037, 313138, 424973, 447340, 492074, 626276, 782845, 849946, 894680, 984148, 1230185, 1252552, 1565690, 1699892, 1722259, 1968296, 2124865, 2460370, 2974811, 3131380, 3399784, 3444518, 4249730, 4674703, 4920740, 5949622, 6262760, 6889036, 8499460, 8611295, 9349406, 9841480, 11899244, 13778072, 14874055, 16998920, 17222590, 18698812, 23373515, 23798488, 29748110, 32722921, 34445180, 37397624, 46747030, 59496220, 65445842, 68890360, 93494060, 118992440, 130891684, 163614605, 186988120, 261783368, 327229210, 654458420, 1308916840]

約数ペア:

[(1, 1308916840), (2, 654458420), (4, 327229210), (5, 261783368), (7, 186988120), (8, 163614605), (10, 130891684), (11, 118992440), (14, 93494060), (19, 68890360), (20, 65445842), (22, 59496220), (28, 46747030), (35, 37397624), (38, 34445180), (40, 32722921), (44, 29748110), (55, 23798488), (56, 23373515), (70, 18698812), (76, 17222590), (77, 16998920), (88, 14874055), (95, 13778072), (110, 11899244), (133, 9841480), (140, 9349406), (152, 8611295), (154, 8499460), (190, 6889036), (209, 6262760), (220, 5949622), (266, 4920740), (280, 4674703), (308, 4249730), (380, 3444518), (385, 3399784), (418, 3131380), (440, 2974811), (532, 2460370), (616, 2124865), (665, 1968296), (760, 1722259), (770, 1699892), (836, 1565690), (1045, 1252552), (1064, 1230185), (1330, 984148), (1463, 894680), (1540, 849946), (1672, 782845), (2090, 626276), (2660, 492074), (2926, 447340), (3080, 424973), (4180, 313138), (5320, 246037), (5852, 223670), (7315, 178936), (8360, 156569), (11704, 111835), (14630, 89468), (22367, 58520), (29260, 44734)]