311300760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1249}}^1$

素因数の和:1361

約数の個数: 128

約数和(自身を含む): 979200000

約数和(自身を除く): 667899240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 67, 93, 120, 124, 134, 155, 186, 201, 248, 268, 310, 335, 372, 402, 465, 536, 620, 670, 744, 804, 930, 1005, 1240, 1249, 1340, 1608, 1860, 2010, 2077, 2498, 2680, 3720, 3747, 4020, 4154, 4996, 6231, 6245, 7494, 8040, 8308, 9992, 10385, 12462, 12490, 14988, 16616, 18735, 20770, 24924, 24980, 29976, 31155, 37470, 38719, 41540, 49848, 49960, 62310, 74940, 77438, 83080, 83683, 116157, 124620, 149880, 154876, 167366, 193595, 232314, 249240, 251049, 309752, 334732, 387190, 418415, 464628, 502098, 580785, 669464, 774380, 836830, 929256, 1004196, 1161570, 1255245, 1548760, 1673660, 2008392, 2323140, 2510490, 2594173, 3347320, 4646280, 5020980, 5188346, 7782519, 10041960, 10376692, 12970865, 15565038, 20753384, 25941730, 31130076, 38912595, 51883460, 62260152, 77825190, 103766920, 155650380, 311300760]

約数ペア:

[(1, 311300760), (2, 155650380), (3, 103766920), (4, 77825190), (5, 62260152), (6, 51883460), (8, 38912595), (10, 31130076), (12, 25941730), (15, 20753384), (20, 15565038), (24, 12970865), (30, 10376692), (31, 10041960), (40, 7782519), (60, 5188346), (62, 5020980), (67, 4646280), (93, 3347320), (120, 2594173), (124, 2510490), (134, 2323140), (155, 2008392), (186, 1673660), (201, 1548760), (248, 1255245), (268, 1161570), (310, 1004196), (335, 929256), (372, 836830), (402, 774380), (465, 669464), (536, 580785), (620, 502098), (670, 464628), (744, 418415), (804, 387190), (930, 334732), (1005, 309752), (1240, 251049), (1249, 249240), (1340, 232314), (1608, 193595), (1860, 167366), (2010, 154876), (2077, 149880), (2498, 124620), (2680, 116157), (3720, 83683), (3747, 83080), (4020, 77438), (4154, 74940), (4996, 62310), (6231, 49960), (6245, 49848), (7494, 41540), (8040, 38719), (8308, 37470), (9992, 31155), (10385, 29976), (12462, 24980), (12490, 24924), (14988, 20770), (16616, 18735)]