1901915678880

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{2671}}^1$

素因数の和:2919

約数の個数: 960

約数和(自身を含む): 7884136415232

約数和(自身を除く): 5982220736352

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, 81, 84, 90, 94, 96, 105, 108, 112, 120, 126, 135, 140, 141, 144, 160, 162, 167, 168, 180, 188, 189, 210, 216, 224, 235, 240, 252, 270, 280, 282, 288, 315, 324, 329, 334, 336, 360, 376, 378, 405, 420, 423, 432, 470, 480, 501, 504, 540, 560, 564, 567, 630, 648, 658, 668, 672, 705, 720, 752, 756, 810, 835, 840, 846, 864, 940, 945, 987, 1002, 1008, 1080, 1120, 1128, 1134, 1169, 1260, 1269, 1296, 1316, 1336, 1410, 1440, 1503, 1504, 1512, 1620, 1645, 1670, 1680, 1692, 1880, 1890, 1974, 2004, 2016, 2115, 2160, 2256, 2268, 2338, 2505, 2520, 2538, 2592, 2632, 2671, 2672, 2820, 2835, 2961, 3006, 3024, 3240, 3290, 3340, 3360, 3384, 3507, 3760, 3780, 3807, 3948, 4008, 4230, 4320, 4509, 4512, 4536, 4676, 4935, 5010, 5040, 5076, 5264, 5342, 5344, 5640, 5670, 5845, 5922, 6012, 6048, 6345, 6480, 6580, 6680, 6768, 7014, 7515, 7520, 7560, 7614, 7849, 7896, 8013, 8016, 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約数ペア:

[(1, 1901915678880), (2, 950957839440), (3, 633971892960), (4, 475478919720), (5, 380383135776), (6, 316985946480), (7, 271702239840), (8, 237739459860), (9, 211323964320), (10, 190191567888), (12, 158492973240), (14, 135851119920), (15, 126794378592), (16, 118869729930), (18, 105661982160), (20, 95095783944), (21, 90567413280), (24, 79246486620), (27, 70441321440), (28, 67925559960), (30, 63397189296), (32, 59434864965), (35, 54340447968), (36, 52830991080), (40, 47547891972), (42, 45283706640), (45, 42264792864), (47, 40466291040), (48, 39623243310), (54, 35220660720), (56, 33962779980), (60, 31698594648), (63, 30189137760), (70, 27170223984), (72, 26415495540), (80, 23773945986), (81, 23480440480), (84, 22641853320), (90, 21132396432), (94, 20233145520), (96, 19811621655), (105, 18113482656), (108, 17610330360), (112, 16981389990), (120, 15849297324), (126, 15094568880), (135, 14088264288), (140, 13585111992), (141, 13488763680), (144, 13207747770), (160, 11886972993), (162, 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(1081755, 1758176), (1082160, 1757518), (1098860, 1730808), (1121820, 1695384), (1129833, 1683360), (1130256, 1682730), (1153872, 1648290), (1255370, 1515024), (1255840, 1514457), (1262520, 1506444), (1271538, 1495760), (1282080, 1483461), (1318632, 1442340), (1338171, 1421280), (1346184, 1412820)]