305535720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 1094860800

約数和(自身を除く): 789325080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 71, 84, 94, 105, 109, 120, 140, 141, 142, 168, 188, 210, 213, 218, 235, 280, 282, 284, 327, 329, 355, 376, 420, 426, 436, 470, 497, 545, 564, 568, 654, 658, 705, 710, 763, 840, 852, 872, 940, 987, 994, 1065, 1090, 1128, 1308, 1316, 1410, 1420, 1491, 1526, 1635, 1645, 1704, 1880, 1974, 1988, 2130, 2180, 2289, 2485, 2616, 2632, 2820, 2840, 2982, 3052, 3270, 3290, 3337, 3815, 3948, 3976, 4260, 4360, 4578, 4935, 4970, 5123, 5640, 5964, 6104, 6540, 6580, 6674, 7455, 7630, 7739, 7896, 8520, 9156, 9870, 9940, 10011, 10246, 11445, 11928, 13080, 13160, 13348, 14910, 15260, 15369, 15478, 16685, 18312, 19740, 19880, 20022, 20492, 22890, 23217, 23359, 25615, 26696, 29820, 30520, 30738, 30956, 33370, 35861, 38695, 39480, 40044, 40984, 45780, 46434, 46718, 50055, 51230, 54173, 59640, 61476, 61912, 66740, 70077, 71722, 76845, 77390, 80088, 91560, 92868, 93436, 100110, 102460, 107583, 108346, 116085, 116795, 122952, 133480, 140154, 143444, 153690, 154780, 162519, 179305, 185736, 186872, 200220, 204920, 215166, 216692, 232170, 233590, 270865, 280308, 286888, 307380, 309560, 325038, 350385, 358610, 363733, 400440, 430332, 433384, 464340, 467180, 537915, 541730, 560616, 614760, 650076, 700770, 717220, 727466, 812595, 860664, 928680, 934360, 1075830, 1083460, 1091199, 1300152, 1401540, 1434440, 1454932, 1625190, 1818665, 2151660, 2166920, 2182398, 2546131, 2803080, 2909864, 3250380, 3637330, 4303320, 4364796, 5092262, 5455995, 6500760, 7274660, 7638393, 8729592, 10184524, 10911990, 12730655, 14549320, 15276786, 20369048, 21823980, 25461310, 30553572, 38191965, 43647960, 50922620, 61107144, 76383930, 101845240, 152767860, 305535720]

約数ペア:

[(1, 305535720), (2, 152767860), (3, 101845240), (4, 76383930), (5, 61107144), (6, 50922620), (7, 43647960), (8, 38191965), (10, 30553572), (12, 25461310), (14, 21823980), (15, 20369048), (20, 15276786), (21, 14549320), (24, 12730655), (28, 10911990), (30, 10184524), (35, 8729592), (40, 7638393), (42, 7274660), (47, 6500760), (56, 5455995), (60, 5092262), (70, 4364796), (71, 4303320), (84, 3637330), (94, 3250380), (105, 2909864), (109, 2803080), (120, 2546131), (140, 2182398), (141, 2166920), (142, 2151660), (168, 1818665), (188, 1625190), (210, 1454932), (213, 1434440), (218, 1401540), (235, 1300152), (280, 1091199), (282, 1083460), (284, 1075830), (327, 934360), (329, 928680), (355, 860664), (376, 812595), (420, 727466), (426, 717220), (436, 700770), (470, 650076), (497, 614760), (545, 560616), (564, 541730), (568, 537915), (654, 467180), (658, 464340), (705, 433384), (710, 430332), (763, 400440), (840, 363733), (852, 358610), (872, 350385), (940, 325038), (987, 309560), (994, 307380), (1065, 286888), (1090, 280308), (1128, 270865), (1308, 233590), (1316, 232170), (1410, 216692), (1420, 215166), (1491, 204920), (1526, 200220), (1635, 186872), (1645, 185736), (1704, 179305), (1880, 162519), (1974, 154780), (1988, 153690), (2130, 143444), (2180, 140154), (2289, 133480), (2485, 122952), (2616, 116795), (2632, 116085), (2820, 108346), (2840, 107583), (2982, 102460), (3052, 100110), (3270, 93436), (3290, 92868), (3337, 91560), (3815, 80088), (3948, 77390), (3976, 76845), (4260, 71722), (4360, 70077), (4578, 66740), (4935, 61912), (4970, 61476), (5123, 59640), (5640, 54173), (5964, 51230), (6104, 50055), (6540, 46718), (6580, 46434), (6674, 45780), (7455, 40984), (7630, 40044), (7739, 39480), (7896, 38695), (8520, 35861), (9156, 33370), (9870, 30956), (9940, 30738), (10011, 30520), (10246, 29820), (11445, 26696), (11928, 25615), (13080, 23359), (13160, 23217), (13348, 22890), (14910, 20492), (15260, 20022), (15369, 19880), (15478, 19740), (16685, 18312)]