21007991520

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2423}}^1$

素因数の和:2676

約数の個数: 288

約数和(自身を含む): 74709153792

約数和(自身を除く): 53701162272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 223, 240, 243, 270, 288, 324, 360, 405, 432, 446, 480, 486, 540, 648, 669, 720, 810, 864, 892, 972, 1080, 1115, 1215, 1296, 1338, 1440, 1620, 1784, 1944, 2007, 2160, 2230, 2423, 2430, 2592, 2676, 3240, 3345, 3568, 3888, 4014, 4320, 4460, 4846, 4860, 5352, 6021, 6480, 6690, 7136, 7269, 7776, 8028, 8920, 9692, 9720, 10035, 10704, 12042, 12115, 12960, 13380, 14538, 16056, 17840, 18063, 19384, 19440, 20070, 21408, 21807, 24084, 24230, 26760, 29076, 30105, 32112, 35680, 36126, 36345, 38768, 38880, 40140, 43614, 48168, 48460, 53520, 54189, 58152, 60210, 64224, 65421, 72252, 72690, 77536, 80280, 87228, 90315, 96336, 96920, 107040, 108378, 109035, 116304, 120420, 130842, 144504, 145380, 160560, 174456, 180630, 192672, 193840, 196263, 216756, 218070, 232608, 240840, 261684, 270945, 289008, 290760, 321120, 327105, 348912, 361260, 387680, 392526, 433512, 436140, 481680, 523368, 540329, 541890, 578016, 581520, 588789, 654210, 697824, 722520, 785052, 867024, 872280, 963360, 981315, 1046736, 1080658, 1083780, 1163040, 1177578, 1308420, 1445040, 1570104, 1620987, 1734048, 1744560, 1962630, 2093472, 2161316, 2167560, 2355156, 2616840, 2701645, 2890080, 2943945, 3140208, 3241974, 3489120, 3925260, 4322632, 4335120, 4710312, 4862961, 5233680, 5403290, 5887890, 6280416, 6483948, 7850520, 8104935, 8645264, 8670240, 9420624, 9725922, 10467360, 10806580, 11775780, 12967896, 14588883, 15701040, 16209870, 17290528, 18841248, 19451844, 21613160, 23551560, 24314805, 25935792, 29177766, 31402080, 32419740, 38903688, 43226320, 43766649, 47103120, 48629610, 51871584, 58355532, 64839480, 72944415, 77807376, 86452640, 87533298, 94206240, 97259220, 116711064, 129678960, 131299947, 145888830, 155614752, 175066596, 194518440, 218833245, 233422128, 259357920, 262599894, 291777660, 350133192, 389036880, 437666490, 466844256, 525199788, 583555320, 656499735, 700266384, 778073760, 875332980, 1050399576, 1167110640, 1312999470, 1400532768, 1750665960, 2100799152, 2334221280, 2625998940, 3501331920, 4201598304, 5251997880, 7002663840, 10503995760, 21007991520]

約数ペア:

[(1, 21007991520), (2, 10503995760), (3, 7002663840), (4, 5251997880), (5, 4201598304), (6, 3501331920), (8, 2625998940), (9, 2334221280), (10, 2100799152), (12, 1750665960), (15, 1400532768), (16, 1312999470), (18, 1167110640), (20, 1050399576), (24, 875332980), (27, 778073760), (30, 700266384), (32, 656499735), (36, 583555320), (40, 525199788), (45, 466844256), (48, 437666490), (54, 389036880), (60, 350133192), (72, 291777660), (80, 262599894), (81, 259357920), (90, 233422128), (96, 218833245), (108, 194518440), (120, 175066596), (135, 155614752), (144, 145888830), (160, 131299947), (162, 129678960), (180, 116711064), (216, 97259220), (223, 94206240), (240, 87533298), (243, 86452640), (270, 77807376), (288, 72944415), (324, 64839480), (360, 58355532), (405, 51871584), (432, 48629610), (446, 47103120), (480, 43766649), (486, 43226320), (540, 38903688), (648, 32419740), (669, 31402080), (720, 29177766), (810, 25935792), (864, 24314805), (892, 23551560), (972, 21613160), (1080, 19451844), (1115, 18841248), (1215, 17290528), (1296, 16209870), (1338, 15701040), (1440, 14588883), (1620, 12967896), (1784, 11775780), (1944, 10806580), (2007, 10467360), (2160, 9725922), (2230, 9420624), (2423, 8670240), (2430, 8645264), (2592, 8104935), (2676, 7850520), (3240, 6483948), (3345, 6280416), (3568, 5887890), (3888, 5403290), (4014, 5233680), (4320, 4862961), (4460, 4710312), (4846, 4335120), (4860, 4322632), (5352, 3925260), (6021, 3489120), (6480, 3241974), (6690, 3140208), (7136, 2943945), (7269, 2890080), (7776, 2701645), (8028, 2616840), (8920, 2355156), (9692, 2167560), (9720, 2161316), (10035, 2093472), (10704, 1962630), (12042, 1744560), (12115, 1734048), (12960, 1620987), (13380, 1570104), (14538, 1445040), (16056, 1308420), (17840, 1177578), (18063, 1163040), (19384, 1083780), (19440, 1080658), (20070, 1046736), (21408, 981315), (21807, 963360), (24084, 872280), (24230, 867024), (26760, 785052), (29076, 722520), (30105, 697824), (32112, 654210), (35680, 588789), (36126, 581520), (36345, 578016), (38768, 541890), (38880, 540329), (40140, 523368), (43614, 481680), (48168, 436140), (48460, 433512), (53520, 392526), (54189, 387680), (58152, 361260), (60210, 348912), (64224, 327105), (65421, 321120), (72252, 290760), (72690, 289008), (77536, 270945), (80280, 261684), (87228, 240840), (90315, 232608), (96336, 218070), (96920, 216756), (107040, 196263), (108378, 193840), (109035, 192672), (116304, 180630), (120420, 174456), (130842, 160560), (144504, 145380)]