388304640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:975

約数の個数: 216

約数和(自身を含む): 1381318848

約数和(自身を除く): 993014208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 768, 888, 911, 960, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1665, 1776, 1822, 1920, 2220, 2304, 2368, 2664, 2733, 2880, 2960, 3330, 3552, 3644, 3840, 4440, 4555, 4736, 5328, 5466, 5760, 5920, 6660, 7104, 7288, 8199, 8880, 9110, 9472, 10656, 10932, 11520, 11840, 13320, 13665, 14208, 14576, 16398, 17760, 18220, 21312, 21864, 23680, 26640, 27330, 28416, 29152, 32796, 33707, 35520, 36440, 40995, 42624, 43728, 47360, 53280, 54660, 58304, 65592, 67414, 71040, 72880, 81990, 85248, 87456, 101121, 106560, 109320, 116608, 131184, 134828, 142080, 145760, 163980, 168535, 174912, 202242, 213120, 218640, 233216, 262368, 269656, 291520, 303363, 327960, 337070, 349824, 404484, 426240, 437280, 505605, 524736, 539312, 583040, 606726, 655920, 674140, 699648, 808968, 874560, 1011210, 1049472, 1078624, 1166080, 1213452, 1311840, 1348280, 1516815, 1617936, 1749120, 2022420, 2098944, 2157248, 2426904, 2623680, 2696560, 3033630, 3235872, 3498240, 4044840, 4314496, 4853808, 5247360, 5393120, 6067260, 6471744, 8089680, 8628992, 9707616, 10494720, 10786240, 12134520, 12943488, 16179360, 19415232, 21572480, 24269040, 25886976, 32358720, 38830464, 43144960, 48538080, 64717440, 77660928, 97076160, 129434880, 194152320, 388304640]

約数ペア:

[(1, 388304640), (2, 194152320), (3, 129434880), (4, 97076160), (5, 77660928), (6, 64717440), (8, 48538080), (9, 43144960), (10, 38830464), (12, 32358720), (15, 25886976), (16, 24269040), (18, 21572480), (20, 19415232), (24, 16179360), (30, 12943488), (32, 12134520), (36, 10786240), (37, 10494720), (40, 9707616), (45, 8628992), (48, 8089680), (60, 6471744), (64, 6067260), (72, 5393120), (74, 5247360), (80, 4853808), (90, 4314496), (96, 4044840), (111, 3498240), (120, 3235872), (128, 3033630), (144, 2696560), (148, 2623680), (160, 2426904), (180, 2157248), (185, 2098944), (192, 2022420), (222, 1749120), (240, 1617936), (256, 1516815), (288, 1348280), (296, 1311840), (320, 1213452), (333, 1166080), (360, 1078624), (370, 1049472), (384, 1011210), (444, 874560), (480, 808968), (555, 699648), (576, 674140), (592, 655920), (640, 606726), (666, 583040), (720, 539312), (740, 524736), (768, 505605), (888, 437280), (911, 426240), (960, 404484), (1110, 349824), (1152, 337070), (1184, 327960), (1280, 303363), (1332, 291520), (1440, 269656), (1480, 262368), (1665, 233216), (1776, 218640), (1822, 213120), (1920, 202242), (2220, 174912), (2304, 168535), (2368, 163980), (2664, 145760), (2733, 142080), (2880, 134828), (2960, 131184), (3330, 116608), (3552, 109320), (3644, 106560), (3840, 101121), (4440, 87456), (4555, 85248), (4736, 81990), (5328, 72880), (5466, 71040), (5760, 67414), (5920, 65592), (6660, 58304), (7104, 54660), (7288, 53280), (8199, 47360), (8880, 43728), (9110, 42624), (9472, 40995), (10656, 36440), (10932, 35520), (11520, 33707), (11840, 32796), (13320, 29152), (13665, 28416), (14208, 27330), (14576, 26640), (16398, 23680), (17760, 21864), (18220, 21312)]