259938720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 240

約数和(自身を含む): 948423168

約数和(自身を除く): 688484448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 647, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1294, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 1941, 2160, 2232, 2480, 2511, 2588, 2592, 2790, 2976, 3235, 3240, 3348, 3720, 3882, 4185, 4320, 4464, 4960, 5022, 5176, 5580, 5823, 6470, 6480, 6696, 7440, 7764, 8370, 8928, 9705, 10044, 10352, 11160, 11646, 12555, 12940, 12960, 13392, 14880, 15528, 16740, 17469, 19410, 20057, 20088, 20704, 22320, 23292, 25110, 25880, 26784, 29115, 31056, 33480, 34938, 38820, 40114, 40176, 44640, 46584, 50220, 51760, 52407, 58230, 60171, 62112, 66960, 69876, 77640, 80228, 80352, 87345, 93168, 100285, 100440, 103520, 104814, 116460, 120342, 133920, 139752, 155280, 160456, 174690, 180513, 186336, 200570, 200880, 209628, 232920, 240684, 262035, 279504, 300855, 310560, 320912, 349380, 361026, 401140, 401760, 419256, 465840, 481368, 524070, 541539, 559008, 601710, 641824, 698760, 722052, 802280, 838512, 902565, 931680, 962736, 1048140, 1083078, 1203420, 1397520, 1444104, 1604560, 1624617, 1677024, 1805130, 1925472, 2096280, 2166156, 2406840, 2707695, 2795040, 2888208, 3209120, 3249234, 3610260, 4192560, 4332312, 4813680, 5415390, 5776416, 6498468, 7220520, 8123085, 8385120, 8664624, 9627360, 10830780, 12996936, 14441040, 16246170, 17329248, 21661560, 25993872, 28882080, 32492340, 43323120, 51987744, 64984680, 86646240, 129969360, 259938720]

約数ペア:

[(1, 259938720), (2, 129969360), (3, 86646240), (4, 64984680), (5, 51987744), (6, 43323120), (8, 32492340), (9, 28882080), (10, 25993872), (12, 21661560), (15, 17329248), (16, 16246170), (18, 14441040), (20, 12996936), (24, 10830780), (27, 9627360), (30, 8664624), (31, 8385120), (32, 8123085), (36, 7220520), (40, 6498468), (45, 5776416), (48, 5415390), (54, 4813680), (60, 4332312), (62, 4192560), (72, 3610260), (80, 3249234), (81, 3209120), (90, 2888208), (93, 2795040), (96, 2707695), (108, 2406840), (120, 2166156), (124, 2096280), (135, 1925472), (144, 1805130), (155, 1677024), (160, 1624617), (162, 1604560), (180, 1444104), (186, 1397520), (216, 1203420), (240, 1083078), (248, 1048140), (270, 962736), (279, 931680), (288, 902565), (310, 838512), (324, 802280), (360, 722052), (372, 698760), (405, 641824), (432, 601710), (465, 559008), (480, 541539), (496, 524070), (540, 481368), (558, 465840), (620, 419256), (647, 401760), (648, 401140), (720, 361026), (744, 349380), (810, 320912), (837, 310560), (864, 300855), (930, 279504), (992, 262035), (1080, 240684), (1116, 232920), (1240, 209628), (1294, 200880), (1296, 200570), (1395, 186336), (1440, 180513), (1488, 174690), (1620, 160456), (1674, 155280), (1860, 139752), (1941, 133920), (2160, 120342), (2232, 116460), (2480, 104814), (2511, 103520), (2588, 100440), (2592, 100285), (2790, 93168), (2976, 87345), (3235, 80352), (3240, 80228), (3348, 77640), (3720, 69876), (3882, 66960), (4185, 62112), (4320, 60171), (4464, 58230), (4960, 52407), (5022, 51760), (5176, 50220), (5580, 46584), (5823, 44640), (6470, 40176), (6480, 40114), (6696, 38820), (7440, 34938), (7764, 33480), (8370, 31056), (8928, 29115), (9705, 26784), (10044, 25880), (10352, 25110), (11160, 23292), (11646, 22320), (12555, 20704), (12940, 20088), (12960, 20057), (13392, 19410), (14880, 17469), (15528, 16740)]