217007280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{6151}}^1$

素因数の和:6184

約数の個数: 180

約数和(自身を含む): 847905552

約数和(自身を除く): 630898272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 6151, 7056, 8820, 11760, 12302, 17640, 18453, 24604, 30755, 35280, 36906, 43057, 49208, 55359, 61510, 73812, 86114, 92265, 98416, 110718, 123020, 129171, 147624, 172228, 184530, 215285, 221436, 246040, 258342, 276795, 295248, 301399, 344456, 369060, 387513, 430570, 442872, 492080, 516684, 553590, 602798, 645855, 688912, 738120, 775026, 861140, 885744, 904197, 1033368, 1107180, 1205596, 1291710, 1476240, 1506995, 1550052, 1722280, 1808394, 1937565, 2066736, 2214360, 2411192, 2583420, 2712591, 3013990, 3100104, 3444560, 3616788, 3875130, 4428720, 4520985, 4822384, 5166840, 5425182, 6027980, 6200208, 7233576, 7750260, 9041970, 10333680, 10850364, 12055960, 13562955, 14467152, 15500520, 18083940, 21700728, 24111920, 27125910, 31001040, 36167880, 43401456, 54251820, 72335760, 108503640, 217007280]

約数ペア:

[(1, 217007280), (2, 108503640), (3, 72335760), (4, 54251820), (5, 43401456), (6, 36167880), (7, 31001040), (8, 27125910), (9, 24111920), (10, 21700728), (12, 18083940), (14, 15500520), (15, 14467152), (16, 13562955), (18, 12055960), (20, 10850364), (21, 10333680), (24, 9041970), (28, 7750260), (30, 7233576), (35, 6200208), (36, 6027980), (40, 5425182), (42, 5166840), (45, 4822384), (48, 4520985), (49, 4428720), (56, 3875130), (60, 3616788), (63, 3444560), (70, 3100104), (72, 3013990), (80, 2712591), (84, 2583420), (90, 2411192), (98, 2214360), (105, 2066736), (112, 1937565), (120, 1808394), (126, 1722280), (140, 1550052), (144, 1506995), (147, 1476240), (168, 1291710), (180, 1205596), (196, 1107180), (210, 1033368), (240, 904197), (245, 885744), (252, 861140), (280, 775026), (294, 738120), (315, 688912), (336, 645855), (360, 602798), (392, 553590), (420, 516684), (441, 492080), (490, 442872), (504, 430570), (560, 387513), (588, 369060), (630, 344456), (720, 301399), (735, 295248), (784, 276795), (840, 258342), (882, 246040), (980, 221436), (1008, 215285), (1176, 184530), (1260, 172228), (1470, 147624), (1680, 129171), (1764, 123020), (1960, 110718), (2205, 98416), (2352, 92265), (2520, 86114), (2940, 73812), (3528, 61510), (3920, 55359), (4410, 49208), (5040, 43057), (5880, 36906), (6151, 35280), (7056, 30755), (8820, 24604), (11760, 18453), (12302, 17640)]