221488560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 240

約数和(自身を含む): 794785440

約数和(自身を除く): 573296880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 61, 72, 80, 82, 90, 108, 120, 122, 123, 135, 144, 164, 180, 183, 205, 216, 240, 244, 246, 270, 305, 328, 360, 366, 369, 410, 432, 488, 492, 540, 549, 610, 615, 656, 720, 732, 738, 820, 915, 976, 984, 1080, 1098, 1107, 1220, 1230, 1464, 1476, 1640, 1647, 1681, 1830, 1845, 1968, 2160, 2196, 2214, 2440, 2460, 2501, 2745, 2928, 2952, 3280, 3294, 3362, 3660, 3690, 4392, 4428, 4880, 4920, 5002, 5043, 5490, 5535, 5904, 6588, 6724, 7320, 7380, 7503, 8235, 8405, 8784, 8856, 9840, 10004, 10086, 10980, 11070, 12505, 13176, 13448, 14640, 14760, 15006, 15129, 16470, 16810, 17712, 20008, 20172, 21960, 22140, 22509, 25010, 25215, 26352, 26896, 29520, 30012, 30258, 32940, 33620, 37515, 40016, 40344, 43920, 44280, 45018, 45387, 50020, 50430, 60024, 60516, 65880, 67240, 67527, 75030, 75645, 80688, 88560, 90036, 90774, 100040, 100860, 102541, 112545, 120048, 121032, 131760, 134480, 135054, 150060, 151290, 180072, 181548, 200080, 201720, 205082, 225090, 226935, 242064, 270108, 300120, 302580, 307623, 337635, 360144, 363096, 403440, 410164, 450180, 453870, 512705, 540216, 600240, 605160, 615246, 675270, 726192, 820328, 900360, 907740, 922869, 1025410, 1080432, 1210320, 1230492, 1350540, 1538115, 1640656, 1800720, 1815480, 1845738, 2050820, 2460984, 2701080, 2768607, 3076230, 3630960, 3691476, 4101640, 4614345, 4921968, 5402160, 5537214, 6152460, 7382952, 8203280, 9228690, 11074428, 12304920, 13843035, 14765904, 18457380, 22148856, 24609840, 27686070, 36914760, 44297712, 55372140, 73829520, 110744280, 221488560]

約数ペア:

[(1, 221488560), (2, 110744280), (3, 73829520), (4, 55372140), (5, 44297712), (6, 36914760), (8, 27686070), (9, 24609840), (10, 22148856), (12, 18457380), (15, 14765904), (16, 13843035), (18, 12304920), (20, 11074428), (24, 9228690), (27, 8203280), (30, 7382952), (36, 6152460), (40, 5537214), (41, 5402160), (45, 4921968), (48, 4614345), (54, 4101640), (60, 3691476), (61, 3630960), (72, 3076230), (80, 2768607), (82, 2701080), (90, 2460984), (108, 2050820), (120, 1845738), (122, 1815480), (123, 1800720), (135, 1640656), (144, 1538115), (164, 1350540), (180, 1230492), (183, 1210320), (205, 1080432), (216, 1025410), (240, 922869), (244, 907740), (246, 900360), (270, 820328), (305, 726192), (328, 675270), (360, 615246), (366, 605160), (369, 600240), (410, 540216), (432, 512705), (488, 453870), (492, 450180), (540, 410164), (549, 403440), (610, 363096), (615, 360144), (656, 337635), (720, 307623), (732, 302580), (738, 300120), (820, 270108), (915, 242064), (976, 226935), (984, 225090), (1080, 205082), (1098, 201720), (1107, 200080), (1220, 181548), (1230, 180072), (1464, 151290), (1476, 150060), (1640, 135054), (1647, 134480), (1681, 131760), (1830, 121032), (1845, 120048), (1968, 112545), (2160, 102541), (2196, 100860), (2214, 100040), (2440, 90774), (2460, 90036), (2501, 88560), (2745, 80688), (2928, 75645), (2952, 75030), (3280, 67527), (3294, 67240), (3362, 65880), (3660, 60516), (3690, 60024), (4392, 50430), (4428, 50020), (4880, 45387), (4920, 45018), (5002, 44280), (5043, 43920), (5490, 40344), (5535, 40016), (5904, 37515), (6588, 33620), (6724, 32940), (7320, 30258), (7380, 30012), (7503, 29520), (8235, 26896), (8405, 26352), (8784, 25215), (8856, 25010), (9840, 22509), (10004, 22140), (10086, 21960), (10980, 20172), (11070, 20008), (12505, 17712), (13176, 16810), (13448, 16470), (14640, 15129), (14760, 15006)]