21384491520

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5449}}^1$

素因数の和:5555

約数の個数: 320

約数和(自身を含む): 79214572800

約数和(自身を除く): 57830081280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 73, 80, 84, 96, 105, 112, 120, 128, 140, 146, 160, 168, 192, 210, 219, 224, 240, 256, 280, 292, 320, 336, 365, 384, 420, 438, 448, 480, 511, 512, 560, 584, 640, 672, 730, 768, 840, 876, 896, 960, 1022, 1095, 1120, 1168, 1280, 1344, 1460, 1533, 1536, 1680, 1752, 1792, 1920, 2044, 2190, 2240, 2336, 2555, 2560, 2688, 2920, 3066, 3360, 3504, 3584, 3840, 4088, 4380, 4480, 4672, 5110, 5376, 5449, 5840, 6132, 6720, 7008, 7665, 7680, 8176, 8760, 8960, 9344, 10220, 10752, 10898, 11680, 12264, 13440, 14016, 15330, 16347, 16352, 17520, 17920, 18688, 20440, 21796, 23360, 24528, 26880, 27245, 28032, 30660, 32694, 32704, 35040, 37376, 38143, 40880, 43592, 46720, 49056, 53760, 54490, 56064, 61320, 65388, 65408, 70080, 76286, 81735, 81760, 87184, 93440, 98112, 108980, 112128, 114429, 122640, 130776, 130816, 140160, 152572, 163470, 163520, 174368, 186880, 190715, 196224, 217960, 228858, 245280, 261552, 261632, 280320, 305144, 326940, 327040, 348736, 381430, 392448, 397777, 435920, 457716, 490560, 523104, 560640, 572145, 610288, 653880, 654080, 697472, 762860, 784896, 795554, 871840, 915432, 981120, 1046208, 1144290, 1193331, 1220576, 1307760, 1308160, 1394944, 1525720, 1591108, 1743680, 1830864, 1962240, 1988885, 2092416, 2288580, 2386662, 2441152, 2615520, 2784439, 2789888, 3051440, 3182216, 3487360, 3661728, 3924480, 3977770, 4184832, 4577160, 4773324, 4882304, 5231040, 5568878, 5966655, 6102880, 6364432, 6974720, 7323456, 7955540, 8353317, 8369664, 9154320, 9546648, 9764608, 10462080, 11137756, 11933310, 12205760, 12728864, 13922195, 13949440, 14646912, 15911080, 16706634, 18308640, 19093296, 19529216, 20924160, 22275512, 23866620, 24411520, 25457728, 27844390, 29293824, 31822160, 33413268, 36617280, 38186592, 41766585, 41848320, 44551024, 47733240, 48823040, 50915456, 55688780, 58587648, 63644320, 66826536, 73234560, 76373184, 83533170, 89102048, 95466480, 97646080, 101830912, 111377560, 127288640, 133653072, 146469120, 152746368, 167066340, 178204096, 190932960, 203661824, 222755120, 254577280, 267306144, 292938240, 305492736, 334132680, 356408192, 381865920, 445510240, 509154560, 534612288, 610985472, 668265360, 712816384, 763731840, 891020480, 1018309120, 1069224576, 1336530720, 1425632768, 1527463680, 1782040960, 2138449152, 2673061440, 3054927360, 3564081920, 4276898304, 5346122880, 7128163840, 10692245760, 21384491520]

約数ペア:

[(1, 21384491520), (2, 10692245760), (3, 7128163840), (4, 5346122880), (5, 4276898304), (6, 3564081920), (7, 3054927360), (8, 2673061440), (10, 2138449152), (12, 1782040960), (14, 1527463680), (15, 1425632768), (16, 1336530720), (20, 1069224576), (21, 1018309120), (24, 891020480), (28, 763731840), (30, 712816384), (32, 668265360), (35, 610985472), (40, 534612288), (42, 509154560), (48, 445510240), (56, 381865920), (60, 356408192), (64, 334132680), (70, 305492736), (73, 292938240), (80, 267306144), (84, 254577280), (96, 222755120), (105, 203661824), (112, 190932960), (120, 178204096), (128, 167066340), (140, 152746368), (146, 146469120), (160, 133653072), (168, 127288640), (192, 111377560), (210, 101830912), (219, 97646080), (224, 95466480), (240, 89102048), (256, 83533170), (280, 76373184), (292, 73234560), (320, 66826536), (336, 63644320), (365, 58587648), (384, 55688780), (420, 50915456), (438, 48823040), (448, 47733240), (480, 44551024), (511, 41848320), (512, 41766585), (560, 38186592), (584, 36617280), (640, 33413268), (672, 31822160), (730, 29293824), (768, 27844390), (840, 25457728), (876, 24411520), (896, 23866620), (960, 22275512), (1022, 20924160), (1095, 19529216), (1120, 19093296), (1168, 18308640), (1280, 16706634), (1344, 15911080), (1460, 14646912), (1533, 13949440), (1536, 13922195), (1680, 12728864), (1752, 12205760), (1792, 11933310), (1920, 11137756), (2044, 10462080), (2190, 9764608), (2240, 9546648), (2336, 9154320), (2555, 8369664), (2560, 8353317), (2688, 7955540), (2920, 7323456), (3066, 6974720), (3360, 6364432), (3504, 6102880), (3584, 5966655), (3840, 5568878), (4088, 5231040), (4380, 4882304), (4480, 4773324), (4672, 4577160), (5110, 4184832), (5376, 3977770), (5449, 3924480), (5840, 3661728), (6132, 3487360), (6720, 3182216), (7008, 3051440), (7665, 2789888), (7680, 2784439), (8176, 2615520), (8760, 2441152), (8960, 2386662), (9344, 2288580), (10220, 2092416), (10752, 1988885), (10898, 1962240), (11680, 1830864), (12264, 1743680), (13440, 1591108), (14016, 1525720), (15330, 1394944), (16347, 1308160), (16352, 1307760), (17520, 1220576), (17920, 1193331), (18688, 1144290), (20440, 1046208), (21796, 981120), (23360, 915432), (24528, 871840), (26880, 795554), (27245, 784896), (28032, 762860), (30660, 697472), (32694, 654080), (32704, 653880), (35040, 610288), (37376, 572145), (38143, 560640), (40880, 523104), (43592, 490560), (46720, 457716), (49056, 435920), (53760, 397777), (54490, 392448), (56064, 381430), (61320, 348736), (65388, 327040), (65408, 326940), (70080, 305144), (76286, 280320), (81735, 261632), (81760, 261552), (87184, 245280), (93440, 228858), (98112, 217960), (108980, 196224), (112128, 190715), (114429, 186880), (122640, 174368), (130776, 163520), (130816, 163470), (140160, 152572)]