642695040

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1$

素因数の和:2902

約数の個数: 256

約数和(自身を含む): 2452161600

約数和(自身を除く): 1809466560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1872, 1920, 2080, 2160, 2340, 2496, 2808, 2861, 2880, 3120, 3456, 3510, 3744, 4160, 4320, 4680, 4992, 5616, 5722, 5760, 6240, 7020, 7488, 8320, 8583, 8640, 9360, 11232, 11444, 12480, 14040, 14305, 14976, 17166, 17280, 18720, 22464, 22888, 24960, 25749, 28080, 28610, 34332, 37193, 37440, 42915, 44928, 45776, 51498, 56160, 57220, 68664, 74386, 74880, 77247, 85830, 91552, 102996, 111579, 112320, 114440, 128745, 137328, 148772, 154494, 171660, 183104, 185965, 205992, 223158, 224640, 228880, 257490, 274656, 297544, 308988, 334737, 343320, 366208, 371930, 386235, 411984, 446316, 457760, 514980, 549312, 557895, 595088, 617976, 669474, 686640, 743860, 772470, 823968, 892632, 915520, 1004211, 1029960, 1098624, 1115790, 1190176, 1235952, 1338948, 1373280, 1487720, 1544940, 1647936, 1673685, 1785264, 1831040, 2008422, 2059920, 2231580, 2380352, 2471904, 2677896, 2746560, 2975440, 3089880, 3295872, 3347370, 3570528, 4016844, 4119840, 4463160, 4760704, 4943808, 5021055, 5355792, 5493120, 5950880, 6179760, 6694740, 7141056, 8033688, 8239680, 8926320, 9887616, 10042110, 10711584, 11901760, 12359520, 13389480, 14282112, 16067376, 16479360, 17852640, 20084220, 21423168, 23803520, 24719040, 26778960, 32134752, 35705280, 40168440, 42846336, 49438080, 53557920, 64269504, 71410560, 80336880, 107115840, 128539008, 160673760, 214231680, 321347520, 642695040]

約数ペア:

[(1, 642695040), (2, 321347520), (3, 214231680), (4, 160673760), (5, 128539008), (6, 107115840), (8, 80336880), (9, 71410560), (10, 64269504), (12, 53557920), (13, 49438080), (15, 42846336), (16, 40168440), (18, 35705280), (20, 32134752), (24, 26778960), (26, 24719040), (27, 23803520), (30, 21423168), (32, 20084220), (36, 17852640), (39, 16479360), (40, 16067376), (45, 14282112), (48, 13389480), (52, 12359520), (54, 11901760), (60, 10711584), (64, 10042110), (65, 9887616), (72, 8926320), (78, 8239680), (80, 8033688), (90, 7141056), (96, 6694740), (104, 6179760), (108, 5950880), (117, 5493120), (120, 5355792), (128, 5021055), (130, 4943808), (135, 4760704), (144, 4463160), (156, 4119840), (160, 4016844), (180, 3570528), (192, 3347370), (195, 3295872), (208, 3089880), (216, 2975440), (234, 2746560), (240, 2677896), (260, 2471904), (270, 2380352), (288, 2231580), (312, 2059920), (320, 2008422), (351, 1831040), (360, 1785264), (384, 1673685), (390, 1647936), (416, 1544940), (432, 1487720), (468, 1373280), (480, 1338948), (520, 1235952), (540, 1190176), (576, 1115790), (585, 1098624), (624, 1029960), (640, 1004211), (702, 915520), (720, 892632), (780, 823968), (832, 772470), (864, 743860), (936, 686640), (960, 669474), (1040, 617976), (1080, 595088), (1152, 557895), (1170, 549312), (1248, 514980), (1404, 457760), (1440, 446316), (1560, 411984), (1664, 386235), (1728, 371930), (1755, 366208), (1872, 343320), (1920, 334737), (2080, 308988), (2160, 297544), (2340, 274656), (2496, 257490), (2808, 228880), (2861, 224640), (2880, 223158), (3120, 205992), (3456, 185965), (3510, 183104), (3744, 171660), (4160, 154494), (4320, 148772), (4680, 137328), (4992, 128745), (5616, 114440), (5722, 112320), (5760, 111579), (6240, 102996), (7020, 91552), (7488, 85830), (8320, 77247), (8583, 74880), (8640, 74386), (9360, 68664), (11232, 57220), (11444, 56160), (12480, 51498), (14040, 45776), (14305, 44928), (14976, 42915), (17166, 37440), (17280, 37193), (18720, 34332), (22464, 28610), (22888, 28080), (24960, 25749)]