217530720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 288

約数和(自身を含む): 837817344

約数和(自身を除く): 620286624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 96, 99, 110, 120, 124, 132, 144, 155, 160, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 288, 310, 330, 341, 352, 360, 372, 396, 440, 443, 465, 480, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 880, 886, 930, 990, 992, 1023, 1056, 1116, 1240, 1320, 1329, 1364, 1395, 1440, 1488, 1584, 1705, 1760, 1772, 1860, 1980, 2046, 2215, 2232, 2480, 2640, 2658, 2728, 2790, 2976, 3069, 3168, 3410, 3544, 3720, 3960, 3987, 4092, 4430, 4464, 4873, 4960, 5115, 5280, 5316, 5456, 5580, 6138, 6645, 6820, 7088, 7440, 7920, 7974, 8184, 8860, 8928, 9746, 10230, 10632, 10912, 11160, 12276, 13290, 13640, 13733, 14176, 14619, 14880, 15345, 15840, 15948, 16368, 17720, 19492, 19935, 20460, 21264, 22320, 24365, 24552, 26580, 27280, 27466, 29238, 30690, 31896, 32736, 35440, 38984, 39870, 40920, 41199, 42528, 43857, 44640, 48730, 49104, 53160, 54560, 54932, 58476, 61380, 63792, 68665, 70880, 73095, 77968, 79740, 81840, 82398, 87714, 97460, 98208, 106320, 109864, 116952, 122760, 123597, 127584, 137330, 146190, 151063, 155936, 159480, 163680, 164796, 175428, 194920, 205995, 212640, 219285, 219728, 233904, 245520, 247194, 274660, 292380, 302126, 318960, 329592, 350856, 389840, 411990, 438570, 439456, 453189, 467808, 491040, 494388, 549320, 584760, 604252, 617985, 637920, 659184, 701712, 755315, 779680, 823980, 877140, 906378, 988776, 1098640, 1169520, 1208504, 1235970, 1318368, 1359567, 1403424, 1510630, 1647960, 1754280, 1812756, 1977552, 2197280, 2265945, 2339040, 2417008, 2471940, 2719134, 3021260, 3295920, 3508560, 3625512, 3955104, 4531890, 4834016, 4943880, 5438268, 6042520, 6591840, 6797835, 7017120, 7251024, 9063780, 9887760, 10876536, 12085040, 13595670, 14502048, 18127560, 19775520, 21753072, 24170080, 27191340, 36255120, 43506144, 54382680, 72510240, 108765360, 217530720]

約数ペア:

[(1, 217530720), (2, 108765360), (3, 72510240), (4, 54382680), (5, 43506144), (6, 36255120), (8, 27191340), (9, 24170080), (10, 21753072), (11, 19775520), (12, 18127560), (15, 14502048), (16, 13595670), (18, 12085040), (20, 10876536), (22, 9887760), (24, 9063780), (30, 7251024), (31, 7017120), (32, 6797835), (33, 6591840), (36, 6042520), (40, 5438268), (44, 4943880), (45, 4834016), (48, 4531890), (55, 3955104), (60, 3625512), (62, 3508560), (66, 3295920), (72, 3021260), (80, 2719134), (88, 2471940), (90, 2417008), (93, 2339040), (96, 2265945), (99, 2197280), (110, 1977552), (120, 1812756), (124, 1754280), (132, 1647960), (144, 1510630), (155, 1403424), (160, 1359567), (165, 1318368), (176, 1235970), (180, 1208504), (186, 1169520), (198, 1098640), (220, 988776), (240, 906378), (248, 877140), (264, 823980), (279, 779680), (288, 755315), (310, 701712), (330, 659184), (341, 637920), (352, 617985), (360, 604252), (372, 584760), (396, 549320), (440, 494388), (443, 491040), (465, 467808), (480, 453189), (495, 439456), (496, 438570), (528, 411990), (558, 389840), (620, 350856), (660, 329592), (682, 318960), (720, 302126), (744, 292380), (792, 274660), (880, 247194), (886, 245520), (930, 233904), (990, 219728), (992, 219285), (1023, 212640), (1056, 205995), (1116, 194920), (1240, 175428), (1320, 164796), (1329, 163680), (1364, 159480), (1395, 155936), (1440, 151063), (1488, 146190), (1584, 137330), (1705, 127584), (1760, 123597), (1772, 122760), (1860, 116952), (1980, 109864), (2046, 106320), (2215, 98208), (2232, 97460), (2480, 87714), (2640, 82398), (2658, 81840), (2728, 79740), (2790, 77968), (2976, 73095), (3069, 70880), (3168, 68665), (3410, 63792), (3544, 61380), (3720, 58476), (3960, 54932), (3987, 54560), (4092, 53160), (4430, 49104), (4464, 48730), (4873, 44640), (4960, 43857), (5115, 42528), (5280, 41199), (5316, 40920), (5456, 39870), (5580, 38984), (6138, 35440), (6645, 32736), (6820, 31896), (7088, 30690), (7440, 29238), (7920, 27466), (7974, 27280), (8184, 26580), (8860, 24552), (8928, 24365), (9746, 22320), (10230, 21264), (10632, 20460), (10912, 19935), (11160, 19492), (12276, 17720), (13290, 16368), (13640, 15948), (13733, 15840), (14176, 15345), (14619, 14880)]