18355680

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{607}}^1$

素因数の和:638

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 55188000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 607, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1214, 1260, 1440, 1512, 1680, 1821, 1890, 2016, 2160, 2428, 2520, 3024, 3035, 3360, 3642, 3780, 4249, 4320, 4856, 5040, 5463, 6048, 6070, 7284, 7560, 8498, 9105, 9712, 10080, 10926, 12140, 12747, 14568, 15120, 16389, 16996, 18210, 19424, 21245, 21852, 24280, 25494, 27315, 29136, 30240, 32778, 33992, 36420, 38241, 42490, 43704, 48560, 50988, 54630, 58272, 63735, 65556, 67984, 72840, 76482, 81945, 84980, 87408, 97120, 101976, 109260, 114723, 127470, 131112, 135968, 145680, 152964, 163890, 169960, 174816, 191205, 203952, 218520, 229446, 254940, 262224, 291360, 305928, 327780, 339920, 382410, 407904, 437040, 458892, 509880, 524448, 573615, 611856, 655560, 679840, 764820, 874080, 917784, 1019760, 1147230, 1223712, 1311120, 1529640, 1835568, 2039520, 2294460, 2622240, 3059280, 3671136, 4588920, 6118560, 9177840, 18355680]

約数ペア:

[(1, 18355680), (2, 9177840), (3, 6118560), (4, 4588920), (5, 3671136), (6, 3059280), (7, 2622240), (8, 2294460), (9, 2039520), (10, 1835568), (12, 1529640), (14, 1311120), (15, 1223712), (16, 1147230), (18, 1019760), (20, 917784), (21, 874080), (24, 764820), (27, 679840), (28, 655560), (30, 611856), (32, 573615), (35, 524448), (36, 509880), (40, 458892), (42, 437040), (45, 407904), (48, 382410), (54, 339920), (56, 327780), (60, 305928), (63, 291360), (70, 262224), (72, 254940), (80, 229446), (84, 218520), (90, 203952), (96, 191205), (105, 174816), (108, 169960), (112, 163890), (120, 152964), (126, 145680), (135, 135968), (140, 131112), (144, 127470), (160, 114723), (168, 109260), (180, 101976), (189, 97120), (210, 87408), (216, 84980), (224, 81945), (240, 76482), (252, 72840), (270, 67984), (280, 65556), (288, 63735), (315, 58272), (336, 54630), (360, 50988), (378, 48560), (420, 43704), (432, 42490), (480, 38241), (504, 36420), (540, 33992), (560, 32778), (607, 30240), (630, 29136), (672, 27315), (720, 25494), (756, 24280), (840, 21852), (864, 21245), (945, 19424), (1008, 18210), (1080, 16996), (1120, 16389), (1214, 15120), (1260, 14568), (1440, 12747), (1512, 12140), (1680, 10926), (1821, 10080), (1890, 9712), (2016, 9105), (2160, 8498), (2428, 7560), (2520, 7284), (3024, 6070), (3035, 6048), (3360, 5463), (3642, 5040), (3780, 4856), (4249, 4320)]