388091520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 256

約数和(自身を含む): 1413964800

約数和(自身を除く): 1025873280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 384, 432, 444, 480, 540, 555, 576, 592, 607, 640, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1214, 1332, 1440, 1480, 1665, 1728, 1776, 1821, 1920, 1998, 2160, 2220, 2368, 2428, 2664, 2880, 2960, 3035, 3330, 3456, 3552, 3642, 3996, 4320, 4440, 4736, 4856, 4995, 5328, 5463, 5760, 5920, 6070, 6660, 7104, 7284, 7992, 8640, 8880, 9105, 9712, 9990, 10656, 10926, 11840, 12140, 13320, 14208, 14568, 15984, 16389, 17280, 17760, 18210, 19424, 19980, 21312, 21852, 22459, 23680, 24280, 26640, 27315, 29136, 31968, 32778, 35520, 36420, 38848, 39960, 42624, 43704, 44918, 48560, 53280, 54630, 58272, 63936, 65556, 67377, 71040, 72840, 77696, 79920, 81945, 87408, 89836, 97120, 106560, 109260, 112295, 116544, 127872, 131112, 134754, 145680, 159840, 163890, 174816, 179672, 194240, 202131, 213120, 218520, 224590, 233088, 262224, 269508, 291360, 319680, 327780, 336885, 349632, 359344, 388480, 404262, 437040, 449180, 524448, 539016, 582720, 606393, 639360, 655560, 673770, 699264, 718688, 808524, 874080, 898360, 1010655, 1048896, 1078032, 1165440, 1212786, 1311120, 1347540, 1437376, 1617048, 1748160, 1796720, 2021310, 2097792, 2156064, 2425572, 2622240, 2695080, 2874752, 3031965, 3234096, 3496320, 3593440, 4042620, 4312128, 4851144, 5244480, 5390160, 6063930, 6468192, 7186880, 8085240, 8624256, 9702288, 10488960, 10780320, 12127860, 12936384, 14373760, 16170480, 19404576, 21560640, 24255720, 25872768, 32340960, 38809152, 43121280, 48511440, 64681920, 77618304, 97022880, 129363840, 194045760, 388091520]

約数ペア:

[(1, 388091520), (2, 194045760), (3, 129363840), (4, 97022880), (5, 77618304), (6, 64681920), (8, 48511440), (9, 43121280), (10, 38809152), (12, 32340960), (15, 25872768), (16, 24255720), (18, 21560640), (20, 19404576), (24, 16170480), (27, 14373760), (30, 12936384), (32, 12127860), (36, 10780320), (37, 10488960), (40, 9702288), (45, 8624256), (48, 8085240), (54, 7186880), (60, 6468192), (64, 6063930), (72, 5390160), (74, 5244480), (80, 4851144), (90, 4312128), (96, 4042620), (108, 3593440), (111, 3496320), (120, 3234096), (128, 3031965), (135, 2874752), (144, 2695080), (148, 2622240), (160, 2425572), (180, 2156064), (185, 2097792), (192, 2021310), (216, 1796720), (222, 1748160), (240, 1617048), (270, 1437376), (288, 1347540), (296, 1311120), (320, 1212786), (333, 1165440), (360, 1078032), (370, 1048896), (384, 1010655), (432, 898360), (444, 874080), (480, 808524), (540, 718688), (555, 699264), (576, 673770), (592, 655560), (607, 639360), (640, 606393), (666, 582720), (720, 539016), (740, 524448), (864, 449180), (888, 437040), (960, 404262), (999, 388480), (1080, 359344), (1110, 349632), (1152, 336885), (1184, 327780), (1214, 319680), (1332, 291360), (1440, 269508), (1480, 262224), (1665, 233088), (1728, 224590), (1776, 218520), (1821, 213120), (1920, 202131), (1998, 194240), (2160, 179672), (2220, 174816), (2368, 163890), (2428, 159840), (2664, 145680), (2880, 134754), (2960, 131112), (3035, 127872), (3330, 116544), (3456, 112295), (3552, 109260), (3642, 106560), (3996, 97120), (4320, 89836), (4440, 87408), (4736, 81945), (4856, 79920), (4995, 77696), (5328, 72840), (5463, 71040), (5760, 67377), (5920, 65556), (6070, 63936), (6660, 58272), (7104, 54630), (7284, 53280), (7992, 48560), (8640, 44918), (8880, 43704), (9105, 42624), (9712, 39960), (9990, 38848), (10656, 36420), (10926, 35520), (11840, 32778), (12140, 31968), (13320, 29136), (14208, 27315), (14568, 26640), (15984, 24280), (16389, 23680), (17280, 22459), (17760, 21852), (18210, 21312), (19424, 19980)]