1421280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 192

約数和(自身を含む): 5806080

約数和(自身を除く): 4384800

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, 47, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 94, 96, 105, 108, 112, 120, 126, 135, 140, 141, 144, 160, 168, 180, 188, 189, 210, 216, 224, 235, 240, 252, 270, 280, 282, 288, 315, 329, 336, 360, 376, 378, 420, 423, 432, 470, 480, 504, 540, 560, 564, 630, 658, 672, 705, 720, 752, 756, 840, 846, 864, 940, 945, 987, 1008, 1080, 1120, 1128, 1260, 1269, 1316, 1410, 1440, 1504, 1512, 1645, 1680, 1692, 1880, 1890, 1974, 2016, 2115, 2160, 2256, 2520, 2538, 2632, 2820, 2961, 3024, 3290, 3360, 3384, 3760, 3780, 3948, 4230, 4320, 4512, 4935, 5040, 5076, 5264, 5640, 5922, 6048, 6345, 6580, 6768, 7520, 7560, 7896, 8460, 8883, 9870, 10080, 10152, 10528, 11280, 11844, 12690, 13160, 13536, 14805, 15120, 15792, 16920, 17766, 19740, 20304, 22560, 23688, 25380, 26320, 29610, 30240, 31584, 33840, 35532, 39480, 40608, 44415, 47376, 50760, 52640, 59220, 67680, 71064, 78960, 88830, 94752, 101520, 118440, 142128, 157920, 177660, 203040, 236880, 284256, 355320, 473760, 710640, 1421280]

約数ペア:

[(1, 1421280), (2, 710640), (3, 473760), (4, 355320), (5, 284256), (6, 236880), (7, 203040), (8, 177660), (9, 157920), (10, 142128), (12, 118440), (14, 101520), (15, 94752), (16, 88830), (18, 78960), (20, 71064), (21, 67680), (24, 59220), (27, 52640), (28, 50760), (30, 47376), (32, 44415), (35, 40608), (36, 39480), (40, 35532), (42, 33840), (45, 31584), (47, 30240), (48, 29610), (54, 26320), (56, 25380), (60, 23688), (63, 22560), (70, 20304), (72, 19740), (80, 17766), (84, 16920), (90, 15792), (94, 15120), (96, 14805), (105, 13536), (108, 13160), (112, 12690), (120, 11844), (126, 11280), (135, 10528), (140, 10152), (141, 10080), (144, 9870), (160, 8883), (168, 8460), (180, 7896), (188, 7560), (189, 7520), (210, 6768), (216, 6580), (224, 6345), (235, 6048), (240, 5922), (252, 5640), (270, 5264), (280, 5076), (282, 5040), (288, 4935), (315, 4512), (329, 4320), (336, 4230), (360, 3948), (376, 3780), (378, 3760), (420, 3384), (423, 3360), (432, 3290), (470, 3024), (480, 2961), (504, 2820), (540, 2632), (560, 2538), (564, 2520), (630, 2256), (658, 2160), (672, 2115), (705, 2016), (720, 1974), (752, 1890), (756, 1880), (840, 1692), (846, 1680), (864, 1645), (940, 1512), (945, 1504), (987, 1440), (1008, 1410), (1080, 1316), (1120, 1269), (1128, 1260)]