638459280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 320

約数和(自身を含む): 2371276800

約数和(自身を除く): 1732817520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 47, 48, 54, 57, 60, 72, 76, 80, 90, 94, 95, 108, 114, 120, 135, 141, 144, 152, 171, 180, 188, 190, 216, 228, 235, 240, 270, 282, 285, 304, 331, 342, 360, 376, 380, 423, 432, 456, 470, 513, 540, 564, 570, 662, 684, 705, 720, 752, 760, 846, 855, 893, 912, 940, 993, 1026, 1080, 1128, 1140, 1269, 1324, 1368, 1410, 1520, 1655, 1692, 1710, 1786, 1880, 1986, 2052, 2115, 2160, 2256, 2280, 2538, 2565, 2648, 2679, 2736, 2820, 2979, 3310, 3384, 3420, 3572, 3760, 3972, 4104, 4230, 4465, 4560, 4965, 5076, 5130, 5296, 5358, 5640, 5958, 6289, 6345, 6620, 6768, 6840, 7144, 7944, 8037, 8208, 8460, 8930, 8937, 9930, 10152, 10260, 10716, 11280, 11916, 12578, 12690, 13240, 13395, 13680, 14288, 14895, 15557, 15888, 16074, 16920, 17860, 17874, 18867, 19860, 20304, 20520, 21432, 23832, 24111, 25156, 25380, 26480, 26790, 29790, 31114, 31445, 32148, 33840, 35720, 35748, 37734, 39720, 40185, 41040, 42864, 44685, 46671, 47664, 48222, 50312, 50760, 53580, 56601, 59580, 62228, 62890, 64296, 71440, 71496, 75468, 77785, 79440, 80370, 89370, 93342, 94335, 96444, 100624, 101520, 107160, 113202, 119160, 120555, 124456, 125780, 128592, 140013, 142992, 150936, 155570, 160740, 169803, 178740, 186684, 188670, 192888, 214320, 226404, 233355, 238320, 241110, 248912, 251560, 280026, 283005, 295583, 301872, 311140, 321480, 339606, 357480, 373368, 377340, 385776, 420039, 452808, 466710, 482220, 503120, 560052, 566010, 591166, 622280, 642960, 679212, 700065, 714960, 746736, 754680, 840078, 849015, 886749, 905616, 933420, 964440, 1120104, 1132020, 1182332, 1244560, 1358424, 1400130, 1477915, 1509360, 1680156, 1698030, 1773498, 1866840, 1928880, 2100195, 2240208, 2264040, 2364664, 2660247, 2716848, 2800260, 2955830, 3360312, 3396060, 3546996, 3733680, 4200390, 4433745, 4528080, 4729328, 5320494, 5600520, 5911660, 6720624, 6792120, 7093992, 7980741, 8400780, 8867490, 10640988, 11201040, 11823320, 13301235, 13584240, 14187984, 15961482, 16801560, 17734980, 21281976, 23646640, 26602470, 31922964, 33603120, 35469960, 39903705, 42563952, 53204940, 63845928, 70939920, 79807410, 106409880, 127691856, 159614820, 212819760, 319229640, 638459280]

約数ペア:

[(1, 638459280), (2, 319229640), (3, 212819760), (4, 159614820), (5, 127691856), (6, 106409880), (8, 79807410), (9, 70939920), (10, 63845928), (12, 53204940), (15, 42563952), (16, 39903705), (18, 35469960), (19, 33603120), (20, 31922964), (24, 26602470), (27, 23646640), (30, 21281976), (36, 17734980), (38, 16801560), (40, 15961482), (45, 14187984), (47, 13584240), (48, 13301235), (54, 11823320), (57, 11201040), (60, 10640988), (72, 8867490), (76, 8400780), (80, 7980741), (90, 7093992), (94, 6792120), (95, 6720624), (108, 5911660), (114, 5600520), (120, 5320494), (135, 4729328), (141, 4528080), (144, 4433745), (152, 4200390), (171, 3733680), (180, 3546996), (188, 3396060), (190, 3360312), (216, 2955830), (228, 2800260), (235, 2716848), (240, 2660247), (270, 2364664), (282, 2264040), (285, 2240208), (304, 2100195), (331, 1928880), (342, 1866840), (360, 1773498), (376, 1698030), (380, 1680156), (423, 1509360), (432, 1477915), (456, 1400130), (470, 1358424), (513, 1244560), (540, 1182332), (564, 1132020), (570, 1120104), (662, 964440), (684, 933420), (705, 905616), (720, 886749), (752, 849015), (760, 840078), (846, 754680), (855, 746736), (893, 714960), (912, 700065), (940, 679212), (993, 642960), (1026, 622280), (1080, 591166), (1128, 566010), (1140, 560052), (1269, 503120), (1324, 482220), (1368, 466710), (1410, 452808), (1520, 420039), (1655, 385776), (1692, 377340), (1710, 373368), (1786, 357480), (1880, 339606), (1986, 321480), (2052, 311140), (2115, 301872), (2160, 295583), (2256, 283005), (2280, 280026), (2538, 251560), (2565, 248912), (2648, 241110), (2679, 238320), (2736, 233355), (2820, 226404), (2979, 214320), (3310, 192888), (3384, 188670), (3420, 186684), (3572, 178740), (3760, 169803), (3972, 160740), (4104, 155570), (4230, 150936), (4465, 142992), (4560, 140013), (4965, 128592), (5076, 125780), (5130, 124456), (5296, 120555), (5358, 119160), (5640, 113202), (5958, 107160), (6289, 101520), (6345, 100624), (6620, 96444), (6768, 94335), (6840, 93342), (7144, 89370), (7944, 80370), (8037, 79440), (8208, 77785), (8460, 75468), (8930, 71496), (8937, 71440), (9930, 64296), (10152, 62890), (10260, 62228), (10716, 59580), (11280, 56601), (11916, 53580), (12578, 50760), (12690, 50312), (13240, 48222), (13395, 47664), (13680, 46671), (14288, 44685), (14895, 42864), (15557, 41040), (15888, 40185), (16074, 39720), (16920, 37734), (17860, 35748), (17874, 35720), (18867, 33840), (19860, 32148), (20304, 31445), (20520, 31114), (21432, 29790), (23832, 26790), (24111, 26480), (25156, 25380)]