1375920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:49

約数の個数: 240

約数和(自身を含む): 5937120

約数和(自身を除く): 4561200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 98, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 147, 156, 168, 180, 182, 189, 195, 196, 208, 210, 216, 234, 240, 245, 252, 260, 270, 273, 280, 294, 312, 315, 336, 351, 360, 364, 378, 390, 392, 420, 432, 441, 455, 468, 490, 504, 520, 540, 546, 560, 585, 588, 624, 630, 637, 702, 720, 728, 735, 756, 780, 784, 819, 840, 882, 910, 936, 945, 980, 1008, 1040, 1080, 1092, 1170, 1176, 1260, 1274, 1323, 1365, 1404, 1456, 1470, 1512, 1560, 1638, 1680, 1755, 1764, 1820, 1872, 1890, 1911, 1960, 2160, 2184, 2205, 2340, 2352, 2457, 2520, 2548, 2646, 2730, 2808, 2940, 3024, 3120, 3185, 3276, 3510, 3528, 3640, 3780, 3822, 3920, 4095, 4368, 4410, 4680, 4914, 5040, 5096, 5292, 5460, 5616, 5733, 5880, 6370, 6552, 6615, 7020, 7056, 7280, 7560, 7644, 8190, 8820, 9360, 9555, 9828, 10192, 10584, 10920, 11466, 11760, 12285, 12740, 13104, 13230, 14040, 15120, 15288, 16380, 17199, 17640, 19110, 19656, 21168, 21840, 22932, 24570, 25480, 26460, 28080, 28665, 30576, 32760, 34398, 35280, 38220, 39312, 45864, 49140, 50960, 52920, 57330, 65520, 68796, 76440, 85995, 91728, 98280, 105840, 114660, 137592, 152880, 171990, 196560, 229320, 275184, 343980, 458640, 687960, 1375920]

約数ペア:

[(1, 1375920), (2, 687960), (3, 458640), (4, 343980), (5, 275184), (6, 229320), (7, 196560), (8, 171990), (9, 152880), (10, 137592), (12, 114660), (13, 105840), (14, 98280), (15, 91728), (16, 85995), (18, 76440), (20, 68796), (21, 65520), (24, 57330), (26, 52920), (27, 50960), (28, 49140), (30, 45864), (35, 39312), (36, 38220), (39, 35280), (40, 34398), (42, 32760), (45, 30576), (48, 28665), (49, 28080), (52, 26460), (54, 25480), (56, 24570), (60, 22932), (63, 21840), (65, 21168), (70, 19656), (72, 19110), (78, 17640), (80, 17199), (84, 16380), (90, 15288), (91, 15120), (98, 14040), (104, 13230), (105, 13104), (108, 12740), (112, 12285), (117, 11760), (120, 11466), (126, 10920), (130, 10584), (135, 10192), (140, 9828), (144, 9555), (147, 9360), (156, 8820), (168, 8190), (180, 7644), (182, 7560), (189, 7280), (195, 7056), (196, 7020), (208, 6615), (210, 6552), (216, 6370), (234, 5880), (240, 5733), (245, 5616), (252, 5460), (260, 5292), (270, 5096), (273, 5040), (280, 4914), (294, 4680), (312, 4410), (315, 4368), (336, 4095), (351, 3920), (360, 3822), (364, 3780), (378, 3640), (390, 3528), (392, 3510), (420, 3276), (432, 3185), (441, 3120), (455, 3024), (468, 2940), (490, 2808), (504, 2730), (520, 2646), (540, 2548), (546, 2520), (560, 2457), (585, 2352), (588, 2340), (624, 2205), (630, 2184), (637, 2160), (702, 1960), (720, 1911), (728, 1890), (735, 1872), (756, 1820), (780, 1764), (784, 1755), (819, 1680), (840, 1638), (882, 1560), (910, 1512), (936, 1470), (945, 1456), (980, 1404), (1008, 1365), (1040, 1323), (1080, 1274), (1092, 1260), (1170, 1176)]