181617840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 643768320

約数和(自身を除く): 462150480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 79, 80, 90, 93, 103, 120, 124, 144, 155, 158, 180, 186, 206, 237, 240, 248, 279, 309, 310, 316, 360, 372, 395, 412, 465, 474, 496, 515, 558, 618, 620, 632, 711, 720, 744, 790, 824, 927, 930, 948, 1030, 1116, 1185, 1236, 1240, 1264, 1395, 1422, 1488, 1545, 1580, 1648, 1854, 1860, 1896, 2060, 2232, 2370, 2449, 2472, 2480, 2790, 2844, 3090, 3160, 3193, 3555, 3708, 3720, 3792, 4120, 4464, 4635, 4740, 4898, 4944, 5580, 5688, 6180, 6320, 6386, 7110, 7347, 7416, 7440, 8137, 8240, 9270, 9480, 9579, 9796, 11160, 11376, 12245, 12360, 12772, 14220, 14694, 14832, 15965, 16274, 18540, 18960, 19158, 19592, 22041, 22320, 24411, 24490, 24720, 25544, 28440, 28737, 29388, 31930, 32548, 36735, 37080, 38316, 39184, 40685, 44082, 47895, 48822, 48980, 51088, 56880, 57474, 58776, 63860, 65096, 73233, 73470, 74160, 76632, 81370, 88164, 95790, 97644, 97960, 110205, 114948, 117552, 122055, 127720, 130192, 143685, 146466, 146940, 153264, 162740, 176328, 191580, 195288, 195920, 220410, 229896, 244110, 252247, 255440, 287370, 292932, 293880, 325480, 352656, 366165, 383160, 390576, 440820, 459792, 488220, 504494, 574740, 585864, 587760, 650960, 732330, 756741, 766320, 881640, 976440, 1008988, 1149480, 1171728, 1261235, 1464660, 1513482, 1763280, 1952880, 2017976, 2270223, 2298960, 2522470, 2929320, 3026964, 3783705, 4035952, 4540446, 5044940, 5858640, 6053928, 7567410, 9080892, 10089880, 11351115, 12107856, 15134820, 18161784, 20179760, 22702230, 30269640, 36323568, 45404460, 60539280, 90808920, 181617840]

約数ペア:

[(1, 181617840), (2, 90808920), (3, 60539280), (4, 45404460), (5, 36323568), (6, 30269640), (8, 22702230), (9, 20179760), (10, 18161784), (12, 15134820), (15, 12107856), (16, 11351115), (18, 10089880), (20, 9080892), (24, 7567410), (30, 6053928), (31, 5858640), (36, 5044940), (40, 4540446), (45, 4035952), (48, 3783705), (60, 3026964), (62, 2929320), (72, 2522470), (79, 2298960), (80, 2270223), (90, 2017976), (93, 1952880), (103, 1763280), (120, 1513482), (124, 1464660), (144, 1261235), (155, 1171728), (158, 1149480), (180, 1008988), (186, 976440), (206, 881640), (237, 766320), (240, 756741), (248, 732330), (279, 650960), (309, 587760), (310, 585864), (316, 574740), (360, 504494), (372, 488220), (395, 459792), (412, 440820), (465, 390576), (474, 383160), (496, 366165), (515, 352656), (558, 325480), (618, 293880), (620, 292932), (632, 287370), (711, 255440), (720, 252247), (744, 244110), (790, 229896), (824, 220410), (927, 195920), (930, 195288), (948, 191580), (1030, 176328), (1116, 162740), (1185, 153264), (1236, 146940), (1240, 146466), (1264, 143685), (1395, 130192), (1422, 127720), (1488, 122055), (1545, 117552), (1580, 114948), (1648, 110205), (1854, 97960), (1860, 97644), (1896, 95790), (2060, 88164), (2232, 81370), (2370, 76632), (2449, 74160), (2472, 73470), (2480, 73233), (2790, 65096), (2844, 63860), (3090, 58776), (3160, 57474), (3193, 56880), (3555, 51088), (3708, 48980), (3720, 48822), (3792, 47895), (4120, 44082), (4464, 40685), (4635, 39184), (4740, 38316), (4898, 37080), (4944, 36735), (5580, 32548), (5688, 31930), (6180, 29388), (6320, 28737), (6386, 28440), (7110, 25544), (7347, 24720), (7416, 24490), (7440, 24411), (8137, 22320), (8240, 22041), (9270, 19592), (9480, 19158), (9579, 18960), (9796, 18540), (11160, 16274), (11376, 15965), (12245, 14832), (12360, 14694), (12772, 14220)]