221894991360

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1559

約数の個数: 960

約数和(自身を含む): 939449871360

約数和(自身を除く): 717554880000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 32, 35, 36, 40, 41, 42, 45, 46, 48, 56, 60, 63, 64, 69, 70, 72, 80, 82, 84, 90, 92, 96, 105, 112, 115, 120, 123, 126, 128, 138, 140, 144, 160, 161, 164, 168, 180, 184, 192, 205, 207, 210, 224, 230, 240, 246, 252, 256, 276, 280, 287, 288, 315, 320, 322, 328, 336, 345, 360, 368, 369, 384, 410, 414, 420, 448, 460, 480, 483, 492, 504, 512, 552, 560, 574, 576, 615, 630, 640, 644, 656, 672, 690, 720, 736, 738, 768, 805, 820, 828, 840, 861, 896, 920, 943, 960, 966, 984, 1008, 1035, 1104, 1120, 1148, 1152, 1230, 1260, 1280, 1288, 1312, 1344, 1380, 1435, 1440, 1449, 1459, 1472, 1476, 1536, 1610, 1640, 1656, 1680, 1722, 1792, 1840, 1845, 1886, 1920, 1932, 1968, 2016, 2070, 2208, 2240, 2296, 2304, 2415, 2460, 2520, 2560, 2576, 2583, 2624, 2688, 2760, 2829, 2870, 2880, 2898, 2918, 2944, 2952, 3220, 3280, 3312, 3360, 3444, 3584, 3680, 3690, 3772, 3840, 3864, 3936, 4032, 4140, 4305, 4377, 4416, 4480, 4592, 4608, 4715, 4830, 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約数ペア:

[(1, 221894991360), (2, 110947495680), (3, 73964997120), (4, 55473747840), (5, 44378998272), (6, 36982498560), (7, 31699284480), (8, 27736873920), (9, 24654999040), (10, 22189499136), (12, 18491249280), (14, 15849642240), (15, 14792999424), (16, 13868436960), (18, 12327499520), (20, 11094749568), (21, 10566428160), (23, 9647608320), (24, 9245624640), (28, 7924821120), (30, 7396499712), (32, 6934218480), (35, 6339856896), (36, 6163749760), (40, 5547374784), (41, 5412072960), (42, 5283214080), (45, 4930999808), (46, 4823804160), (48, 4622812320), (56, 3962410560), (60, 3698249856), (63, 3522142720), (64, 3467109240), (69, 3215869440), (70, 3169928448), (72, 3081874880), (80, 2773687392), (82, 2706036480), (84, 2641607040), (90, 2465499904), (92, 2411902080), (96, 2311406160), (105, 2113285632), (112, 1981205280), (115, 1929521664), (120, 1849124928), (123, 1804024320), (126, 1761071360), (128, 1733554620), (138, 1607934720), (140, 1584964224), (144, 1540937440), (160, 1386843696), (161, 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944640), (236160, 939596), (237636, 933760), (239276, 927360), (241408, 919170), (245112, 905280), (247296, 897285), (262620, 844928), (264040, 840384), (264960, 837466), (268456, 826560), (271584, 817040), (275520, 805368), (280128, 792120), (297045, 747008), (299095, 741888), (301760, 735336), (302013, 734720), (306390, 724224), (309120, 717828), (314880, 704697), (316848, 700320), (326816, 678960), (330624, 671140), (335570, 661248), (339480, 653632), (350160, 633696), (358914, 618240), (362112, 612780), (367360, 604026), (367668, 603520), (370944, 598190), (373504, 594090), (396060, 560256), (402684, 551040), (408520, 543168), (412160, 538371), (413280, 536912), (418733, 529920), (420192, 528080), (422464, 525240), (440832, 503355), (452640, 490224), (459585, 482816), (463680, 478552), (466880, 475272), (469798, 472320)]