217870720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 587593440

約数和(自身を除く): 369722720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 41, 46, 64, 76, 80, 82, 92, 95, 115, 128, 152, 160, 164, 184, 190, 205, 230, 304, 320, 328, 361, 368, 380, 410, 437, 460, 608, 640, 656, 722, 736, 760, 779, 820, 874, 920, 943, 1216, 1312, 1444, 1472, 1520, 1558, 1640, 1748, 1805, 1840, 1886, 2185, 2432, 2624, 2888, 2944, 3040, 3116, 3280, 3496, 3610, 3680, 3772, 3895, 4370, 4715, 5248, 5776, 6080, 6232, 6560, 6992, 7220, 7360, 7544, 7790, 8303, 8740, 9430, 11552, 12160, 12464, 13120, 13984, 14440, 14720, 14801, 15088, 15580, 16606, 17480, 17917, 18860, 23104, 24928, 26240, 27968, 28880, 29602, 30176, 31160, 33212, 34960, 35834, 37720, 41515, 46208, 49856, 55936, 57760, 59204, 60352, 62320, 66424, 69920, 71668, 74005, 75440, 83030, 89585, 99712, 115520, 118408, 120704, 124640, 132848, 139840, 143336, 148010, 150880, 166060, 179170, 231040, 236816, 249280, 265696, 279680, 286672, 296020, 301760, 332120, 340423, 358340, 473632, 498560, 531392, 573344, 592040, 603520, 664240, 680846, 716680, 947264, 1062784, 1146688, 1184080, 1328480, 1361692, 1433360, 1702115, 1894528, 2293376, 2368160, 2656960, 2723384, 2866720, 3404230, 4736320, 5313920, 5446768, 5733440, 6808460, 9472640, 10893536, 11466880, 13616920, 21787072, 27233840, 43574144, 54467680, 108935360, 217870720]

約数ペア:

[(1, 217870720), (2, 108935360), (4, 54467680), (5, 43574144), (8, 27233840), (10, 21787072), (16, 13616920), (19, 11466880), (20, 10893536), (23, 9472640), (32, 6808460), (38, 5733440), (40, 5446768), (41, 5313920), (46, 4736320), (64, 3404230), (76, 2866720), (80, 2723384), (82, 2656960), (92, 2368160), (95, 2293376), (115, 1894528), (128, 1702115), (152, 1433360), (160, 1361692), (164, 1328480), (184, 1184080), (190, 1146688), (205, 1062784), (230, 947264), (304, 716680), (320, 680846), (328, 664240), (361, 603520), (368, 592040), (380, 573344), (410, 531392), (437, 498560), (460, 473632), (608, 358340), (640, 340423), (656, 332120), (722, 301760), (736, 296020), (760, 286672), (779, 279680), (820, 265696), (874, 249280), (920, 236816), (943, 231040), (1216, 179170), (1312, 166060), (1444, 150880), (1472, 148010), (1520, 143336), (1558, 139840), (1640, 132848), (1748, 124640), (1805, 120704), (1840, 118408), (1886, 115520), (2185, 99712), (2432, 89585), (2624, 83030), (2888, 75440), (2944, 74005), (3040, 71668), (3116, 69920), (3280, 66424), (3496, 62320), (3610, 60352), (3680, 59204), (3772, 57760), (3895, 55936), (4370, 49856), (4715, 46208), (5248, 41515), (5776, 37720), (6080, 35834), (6232, 34960), (6560, 33212), (6992, 31160), (7220, 30176), (7360, 29602), (7544, 28880), (7790, 27968), (8303, 26240), (8740, 24928), (9430, 23104), (11552, 18860), (12160, 17917), (12464, 17480), (13120, 16606), (13984, 15580), (14440, 15088), (14720, 14801)]