21016720080

素因数分解:

$2^4\times 3^{11}\times 5^1\times {\mathrm{1483}}^1$

素因数の和:1529

約数の個数: 240

約数和(自身を含む): 73345097280

約数和(自身を除く): 52328377200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1483, 1620, 1944, 2160, 2187, 2430, 2916, 2966, 3240, 3645, 3888, 4374, 4449, 4860, 5832, 5932, 6480, 6561, 7290, 7415, 8748, 8898, 9720, 10935, 11664, 11864, 13122, 13347, 14580, 14830, 17496, 17796, 19440, 19683, 21870, 22245, 23728, 26244, 26694, 29160, 29660, 32805, 34992, 35592, 39366, 40041, 43740, 44490, 52488, 53388, 58320, 59049, 59320, 65610, 66735, 71184, 78732, 80082, 87480, 88980, 98415, 104976, 106776, 118098, 118640, 120123, 131220, 133470, 157464, 160164, 174960, 177147, 177960, 196830, 200205, 213552, 236196, 240246, 262440, 266940, 295245, 314928, 320328, 354294, 355920, 360369, 393660, 400410, 472392, 480492, 524880, 533880, 590490, 600615, 640656, 708588, 720738, 787320, 800820, 885735, 944784, 960984, 1067760, 1081107, 1180980, 1201230, 1417176, 1441476, 1574640, 1601640, 1771470, 1801845, 1921968, 2162214, 2361960, 2402460, 2834352, 2882952, 3203280, 3243321, 3542940, 3603690, 4324428, 4723920, 4804920, 5405535, 5765904, 6486642, 7085880, 7207380, 8648856, 9609840, 9729963, 10811070, 12973284, 14171760, 14414760, 16216605, 17297712, 19459926, 21622140, 25946568, 28829520, 29189889, 32433210, 38919852, 43244280, 48649815, 51893136, 58379778, 64866420, 77839704, 86488560, 87569667, 97299630, 116759556, 129732840, 145949445, 155679408, 175139334, 194599260, 233519112, 259465680, 262709001, 291898890, 350278668, 389198520, 437848335, 467038224, 525418002, 583797780, 700557336, 778397040, 875696670, 1050836004, 1167595560, 1313545005, 1401114672, 1751393340, 2101672008, 2335191120, 2627090010, 3502786680, 4203344016, 5254180020, 7005573360, 10508360040, 21016720080]

約数ペア:

[(1, 21016720080), (2, 10508360040), (3, 7005573360), (4, 5254180020), (5, 4203344016), (6, 3502786680), (8, 2627090010), (9, 2335191120), (10, 2101672008), (12, 1751393340), (15, 1401114672), (16, 1313545005), (18, 1167595560), (20, 1050836004), (24, 875696670), (27, 778397040), (30, 700557336), (36, 583797780), (40, 525418002), (45, 467038224), (48, 437848335), (54, 389198520), (60, 350278668), (72, 291898890), (80, 262709001), (81, 259465680), (90, 233519112), (108, 194599260), (120, 175139334), (135, 155679408), (144, 145949445), (162, 129732840), (180, 116759556), (216, 97299630), (240, 87569667), (243, 86488560), (270, 77839704), (324, 64866420), (360, 58379778), (405, 51893136), (432, 48649815), (486, 43244280), (540, 38919852), (648, 32433210), (720, 29189889), (729, 28829520), (810, 25946568), (972, 21622140), (1080, 19459926), (1215, 17297712), (1296, 16216605), (1458, 14414760), (1483, 14171760), (1620, 12973284), (1944, 10811070), (2160, 9729963), (2187, 9609840), (2430, 8648856), (2916, 7207380), (2966, 7085880), (3240, 6486642), (3645, 5765904), (3888, 5405535), (4374, 4804920), (4449, 4723920), (4860, 4324428), (5832, 3603690), (5932, 3542940), (6480, 3243321), (6561, 3203280), (7290, 2882952), (7415, 2834352), (8748, 2402460), (8898, 2361960), (9720, 2162214), (10935, 1921968), (11664, 1801845), (11864, 1771470), (13122, 1601640), (13347, 1574640), (14580, 1441476), (14830, 1417176), (17496, 1201230), (17796, 1180980), (19440, 1081107), (19683, 1067760), (21870, 960984), (22245, 944784), (23728, 885735), (26244, 800820), (26694, 787320), (29160, 720738), (29660, 708588), (32805, 640656), (34992, 600615), (35592, 590490), (39366, 533880), (40041, 524880), (43740, 480492), (44490, 472392), (52488, 400410), (53388, 393660), (58320, 360369), (59049, 355920), (59320, 354294), (65610, 320328), (66735, 314928), (71184, 295245), (78732, 266940), (80082, 262440), (87480, 240246), (88980, 236196), (98415, 213552), (104976, 200205), (106776, 196830), (118098, 177960), (118640, 177147), (120123, 174960), (131220, 160164), (133470, 157464)]