405899520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 1434004992

約数和(自身を除く): 1028105472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 64, 65, 78, 80, 94, 96, 104, 120, 128, 130, 141, 156, 160, 173, 188, 192, 195, 208, 235, 240, 256, 260, 282, 312, 320, 346, 376, 384, 390, 416, 470, 480, 519, 520, 564, 611, 624, 640, 692, 705, 752, 768, 780, 832, 865, 940, 960, 1038, 1040, 1128, 1222, 1248, 1280, 1384, 1410, 1504, 1560, 1664, 1730, 1833, 1880, 1920, 2076, 2080, 2249, 2256, 2444, 2496, 2595, 2768, 2820, 3008, 3055, 3120, 3328, 3460, 3666, 3760, 3840, 4152, 4160, 4498, 4512, 4888, 4992, 5190, 5536, 5640, 6016, 6110, 6240, 6747, 6920, 7332, 7520, 8131, 8304, 8320, 8996, 9024, 9165, 9776, 9984, 10380, 11072, 11245, 11280, 12032, 12220, 12480, 13494, 13840, 14664, 15040, 16262, 16608, 16640, 17992, 18048, 18330, 19552, 20760, 22144, 22490, 22560, 24393, 24440, 24960, 26988, 27680, 29328, 30080, 32524, 33216, 33735, 35984, 36096, 36660, 39104, 40655, 41520, 44288, 44980, 45120, 48786, 48880, 49920, 53976, 55360, 58656, 60160, 65048, 66432, 67470, 71968, 73320, 78208, 81310, 83040, 89960, 90240, 97572, 97760, 105703, 107952, 110720, 117312, 121965, 130096, 132864, 134940, 143936, 146640, 156416, 162620, 166080, 179920, 180480, 195144, 195520, 211406, 215904, 221440, 234624, 243930, 260192, 269880, 287872, 293280, 317109, 325240, 332160, 359840, 390288, 391040, 422812, 431808, 469248, 487860, 520384, 528515, 539760, 575744, 586560, 634218, 650480, 664320, 719680, 780576, 782080, 845624, 863616, 975720, 1040768, 1057030, 1079520, 1173120, 1268436, 1300960, 1439360, 1561152, 1585545, 1691248, 1727232, 1951440, 2081536, 2114060, 2159040, 2346240, 2536872, 2601920, 2878720, 3122304, 3171090, 3382496, 3902880, 4228120, 4318080, 5073744, 5203840, 6244608, 6342180, 6764992, 7805760, 8456240, 8636160, 10147488, 10407680, 12684360, 13529984, 15611520, 16912480, 20294976, 25368720, 27059968, 31223040, 33824960, 40589952, 50737440, 67649920, 81179904, 101474880, 135299840, 202949760, 405899520]

約数ペア:

[(1, 405899520), (2, 202949760), (3, 135299840), (4, 101474880), (5, 81179904), (6, 67649920), (8, 50737440), (10, 40589952), (12, 33824960), (13, 31223040), (15, 27059968), (16, 25368720), (20, 20294976), (24, 16912480), (26, 15611520), (30, 13529984), (32, 12684360), (39, 10407680), (40, 10147488), (47, 8636160), (48, 8456240), (52, 7805760), (60, 6764992), (64, 6342180), (65, 6244608), (78, 5203840), (80, 5073744), (94, 4318080), (96, 4228120), (104, 3902880), (120, 3382496), (128, 3171090), (130, 3122304), (141, 2878720), (156, 2601920), (160, 2536872), (173, 2346240), (188, 2159040), (192, 2114060), (195, 2081536), (208, 1951440), (235, 1727232), (240, 1691248), (256, 1585545), (260, 1561152), (282, 1439360), (312, 1300960), (320, 1268436), (346, 1173120), (376, 1079520), (384, 1057030), (390, 1040768), (416, 975720), (470, 863616), (480, 845624), (519, 782080), (520, 780576), (564, 719680), (611, 664320), (624, 650480), (640, 634218), (692, 586560), (705, 575744), (752, 539760), (768, 528515), (780, 520384), (832, 487860), (865, 469248), (940, 431808), (960, 422812), (1038, 391040), (1040, 390288), (1128, 359840), (1222, 332160), (1248, 325240), (1280, 317109), (1384, 293280), (1410, 287872), (1504, 269880), (1560, 260192), (1664, 243930), (1730, 234624), (1833, 221440), (1880, 215904), (1920, 211406), (2076, 195520), (2080, 195144), (2249, 180480), (2256, 179920), (2444, 166080), (2496, 162620), (2595, 156416), (2768, 146640), (2820, 143936), (3008, 134940), (3055, 132864), (3120, 130096), (3328, 121965), (3460, 117312), (3666, 110720), (3760, 107952), (3840, 105703), (4152, 97760), (4160, 97572), (4498, 90240), (4512, 89960), (4888, 83040), (4992, 81310), (5190, 78208), (5536, 73320), (5640, 71968), (6016, 67470), (6110, 66432), (6240, 65048), (6747, 60160), (6920, 58656), (7332, 55360), (7520, 53976), (8131, 49920), (8304, 48880), (8320, 48786), (8996, 45120), (9024, 44980), (9165, 44288), (9776, 41520), (9984, 40655), (10380, 39104), (11072, 36660), (11245, 36096), (11280, 35984), (12032, 33735), (12220, 33216), (12480, 32524), (13494, 30080), (13840, 29328), (14664, 27680), (15040, 26988), (16262, 24960), (16608, 24440), (16640, 24393), (17992, 22560), (18048, 22490), (18330, 22144), (19552, 20760)]