388488960

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{1249}}^1$

素因数の和:1285

約数の個数: 216

約数和(自身を含む): 1395030000

約数和(自身を除く): 1006541040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1249, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2498, 2592, 2880, 3240, 3456, 3747, 3840, 3888, 4320, 4860, 4996, 5184, 5760, 6245, 6480, 6912, 7494, 7776, 8640, 9720, 9992, 10368, 11241, 11520, 12490, 12960, 14988, 15552, 17280, 18735, 19440, 19984, 20736, 22482, 24980, 25920, 29976, 31104, 33723, 34560, 37470, 38880, 39968, 44964, 49960, 51840, 56205, 59952, 62208, 67446, 74940, 77760, 79936, 89928, 99920, 101169, 103680, 112410, 119904, 134892, 149880, 155520, 159872, 168615, 179856, 199840, 202338, 224820, 239808, 269784, 299760, 303507, 311040, 319744, 337230, 359712, 399680, 404676, 449640, 479616, 505845, 539568, 599520, 607014, 674460, 719424, 799360, 809352, 899280, 959232, 1011690, 1079136, 1199040, 1214028, 1348920, 1438848, 1517535, 1598720, 1618704, 1798560, 2023380, 2158272, 2398080, 2428056, 2697840, 2877696, 3035070, 3237408, 3597120, 4046760, 4316544, 4796160, 4856112, 5395680, 6070140, 6474816, 7194240, 8093520, 8633088, 9712224, 10791360, 12140280, 12949632, 14388480, 16187040, 19424448, 21582720, 24280560, 25899264, 32374080, 38848896, 43165440, 48561120, 64748160, 77697792, 97122240, 129496320, 194244480, 388488960]

約数ペア:

[(1, 388488960), (2, 194244480), (3, 129496320), (4, 97122240), (5, 77697792), (6, 64748160), (8, 48561120), (9, 43165440), (10, 38848896), (12, 32374080), (15, 25899264), (16, 24280560), (18, 21582720), (20, 19424448), (24, 16187040), (27, 14388480), (30, 12949632), (32, 12140280), (36, 10791360), (40, 9712224), (45, 8633088), (48, 8093520), (54, 7194240), (60, 6474816), (64, 6070140), (72, 5395680), (80, 4856112), (81, 4796160), (90, 4316544), (96, 4046760), (108, 3597120), (120, 3237408), (128, 3035070), (135, 2877696), (144, 2697840), (160, 2428056), (162, 2398080), (180, 2158272), (192, 2023380), (216, 1798560), (240, 1618704), (243, 1598720), (256, 1517535), (270, 1438848), (288, 1348920), (320, 1214028), (324, 1199040), (360, 1079136), (384, 1011690), (405, 959232), (432, 899280), (480, 809352), (486, 799360), (540, 719424), (576, 674460), (640, 607014), (648, 599520), (720, 539568), (768, 505845), (810, 479616), (864, 449640), (960, 404676), (972, 399680), (1080, 359712), (1152, 337230), (1215, 319744), (1249, 311040), (1280, 303507), (1296, 299760), (1440, 269784), (1620, 239808), (1728, 224820), (1920, 202338), (1944, 199840), (2160, 179856), (2304, 168615), (2430, 159872), (2498, 155520), (2592, 149880), (2880, 134892), (3240, 119904), (3456, 112410), (3747, 103680), (3840, 101169), (3888, 99920), (4320, 89928), (4860, 79936), (4996, 77760), (5184, 74940), (5760, 67446), (6245, 62208), (6480, 59952), (6912, 56205), (7494, 51840), (7776, 49960), (8640, 44964), (9720, 39968), (9992, 38880), (10368, 37470), (11241, 34560), (11520, 33723), (12490, 31104), (12960, 29976), (14988, 25920), (15552, 24980), (17280, 22482), (18735, 20736), (19440, 19984)]