81775680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:353

約数の個数: 224

約数和(自身を含む): 304702464

約数和(自身を除く): 222926784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 283, 301, 320, 336, 344, 420, 430, 448, 480, 516, 560, 566, 602, 645, 672, 688, 840, 849, 860, 903, 960, 1032, 1120, 1132, 1204, 1290, 1344, 1376, 1415, 1505, 1680, 1698, 1720, 1806, 1981, 2064, 2240, 2264, 2408, 2580, 2752, 2830, 3010, 3360, 3396, 3440, 3612, 3962, 4128, 4245, 4515, 4528, 4816, 5160, 5660, 5943, 6020, 6720, 6792, 6880, 7224, 7924, 8256, 8490, 9030, 9056, 9632, 9905, 10320, 11320, 11886, 12040, 12169, 13584, 13760, 14448, 15848, 16980, 18060, 18112, 19264, 19810, 20640, 22640, 23772, 24080, 24338, 27168, 28896, 29715, 31696, 33960, 36120, 36507, 39620, 41280, 45280, 47544, 48160, 48676, 54336, 57792, 59430, 60845, 63392, 67920, 72240, 73014, 79240, 85183, 90560, 95088, 96320, 97352, 118860, 121690, 126784, 135840, 144480, 146028, 158480, 170366, 182535, 190176, 194704, 237720, 243380, 255549, 271680, 288960, 292056, 316960, 340732, 365070, 380352, 389408, 425915, 475440, 486760, 511098, 584112, 633920, 681464, 730140, 778816, 851830, 950880, 973520, 1022196, 1168224, 1277745, 1362928, 1460280, 1703660, 1901760, 1947040, 2044392, 2336448, 2555490, 2725856, 2920560, 3407320, 3894080, 4088784, 5110980, 5451712, 5841120, 6814640, 8177568, 10221960, 11682240, 13629280, 16355136, 20443920, 27258560, 40887840, 81775680]

約数ペア:

[(1, 81775680), (2, 40887840), (3, 27258560), (4, 20443920), (5, 16355136), (6, 13629280), (7, 11682240), (8, 10221960), (10, 8177568), (12, 6814640), (14, 5841120), (15, 5451712), (16, 5110980), (20, 4088784), (21, 3894080), (24, 3407320), (28, 2920560), (30, 2725856), (32, 2555490), (35, 2336448), (40, 2044392), (42, 1947040), (43, 1901760), (48, 1703660), (56, 1460280), (60, 1362928), (64, 1277745), (70, 1168224), (80, 1022196), (84, 973520), (86, 950880), (96, 851830), (105, 778816), (112, 730140), (120, 681464), (129, 633920), (140, 584112), (160, 511098), (168, 486760), (172, 475440), (192, 425915), (210, 389408), (215, 380352), (224, 365070), (240, 340732), (258, 316960), (280, 292056), (283, 288960), (301, 271680), (320, 255549), (336, 243380), (344, 237720), (420, 194704), (430, 190176), (448, 182535), (480, 170366), (516, 158480), (560, 146028), (566, 144480), (602, 135840), (645, 126784), (672, 121690), (688, 118860), (840, 97352), (849, 96320), (860, 95088), (903, 90560), (960, 85183), (1032, 79240), (1120, 73014), (1132, 72240), (1204, 67920), (1290, 63392), (1344, 60845), (1376, 59430), (1415, 57792), (1505, 54336), (1680, 48676), (1698, 48160), (1720, 47544), (1806, 45280), (1981, 41280), (2064, 39620), (2240, 36507), (2264, 36120), (2408, 33960), (2580, 31696), (2752, 29715), (2830, 28896), (3010, 27168), (3360, 24338), (3396, 24080), (3440, 23772), (3612, 22640), (3962, 20640), (4128, 19810), (4245, 19264), (4515, 18112), (4528, 18060), (4816, 16980), (5160, 15848), (5660, 14448), (5943, 13760), (6020, 13584), (6720, 12169), (6792, 12040), (6880, 11886), (7224, 11320), (7924, 10320), (8256, 9905), (8490, 9632), (9030, 9056)]