217271880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 836292600

約数和(自身を除く): 619020720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 109, 113, 120, 126, 140, 147, 168, 180, 196, 210, 218, 226, 245, 252, 280, 294, 315, 327, 339, 360, 392, 420, 436, 441, 452, 490, 504, 545, 565, 588, 630, 654, 678, 735, 763, 791, 840, 872, 882, 904, 980, 981, 1017, 1090, 1130, 1176, 1260, 1308, 1356, 1470, 1526, 1582, 1635, 1695, 1764, 1960, 1962, 2034, 2180, 2205, 2260, 2289, 2373, 2520, 2616, 2712, 2940, 3052, 3164, 3270, 3390, 3528, 3815, 3924, 3955, 4068, 4360, 4410, 4520, 4578, 4746, 4905, 5085, 5341, 5537, 5880, 6104, 6328, 6540, 6780, 6867, 7119, 7630, 7848, 7910, 8136, 8820, 9156, 9492, 9810, 10170, 10682, 11074, 11445, 11865, 12317, 13080, 13560, 13734, 14238, 15260, 15820, 16023, 16611, 17640, 18312, 18984, 19620, 20340, 21364, 22148, 22890, 23730, 24634, 26705, 27468, 27685, 28476, 30520, 31640, 32046, 33222, 34335, 35595, 36951, 39240, 40680, 42728, 44296, 45780, 47460, 48069, 49268, 49833, 53410, 54936, 55370, 56952, 61585, 64092, 66444, 68670, 71190, 73902, 80115, 83055, 86219, 91560, 94920, 96138, 98536, 99666, 106820, 110740, 110853, 123170, 128184, 132888, 137340, 142380, 147804, 160230, 166110, 172438, 184755, 192276, 199332, 213640, 221480, 221706, 240345, 246340, 249165, 258657, 274680, 284760, 295608, 320460, 332220, 344876, 369510, 384552, 398664, 431095, 443412, 480690, 492680, 498330, 517314, 554265, 603533, 640920, 664440, 689752, 739020, 775971, 862190, 886824, 961380, 996660, 1034628, 1108530, 1207066, 1293285, 1478040, 1551942, 1724380, 1810599, 1922760, 1993320, 2069256, 2217060, 2414132, 2586570, 3017665, 3103884, 3448760, 3621198, 3879855, 4434120, 4828264, 5173140, 5431797, 6035330, 6207768, 7242396, 7759710, 9052995, 10346280, 10863594, 12070660, 14484792, 15519420, 18105990, 21727188, 24141320, 27158985, 31038840, 36211980, 43454376, 54317970, 72423960, 108635940, 217271880]

約数ペア:

[(1, 217271880), (2, 108635940), (3, 72423960), (4, 54317970), (5, 43454376), (6, 36211980), (7, 31038840), (8, 27158985), (9, 24141320), (10, 21727188), (12, 18105990), (14, 15519420), (15, 14484792), (18, 12070660), (20, 10863594), (21, 10346280), (24, 9052995), (28, 7759710), (30, 7242396), (35, 6207768), (36, 6035330), (40, 5431797), (42, 5173140), (45, 4828264), (49, 4434120), (56, 3879855), (60, 3621198), (63, 3448760), (70, 3103884), (72, 3017665), (84, 2586570), (90, 2414132), (98, 2217060), (105, 2069256), (109, 1993320), (113, 1922760), (120, 1810599), (126, 1724380), (140, 1551942), (147, 1478040), (168, 1293285), (180, 1207066), (196, 1108530), (210, 1034628), (218, 996660), (226, 961380), (245, 886824), (252, 862190), (280, 775971), (294, 739020), (315, 689752), (327, 664440), (339, 640920), (360, 603533), (392, 554265), (420, 517314), (436, 498330), (441, 492680), (452, 480690), (490, 443412), (504, 431095), (545, 398664), (565, 384552), (588, 369510), (630, 344876), (654, 332220), (678, 320460), (735, 295608), (763, 284760), (791, 274680), (840, 258657), (872, 249165), (882, 246340), (904, 240345), (980, 221706), (981, 221480), (1017, 213640), (1090, 199332), (1130, 192276), (1176, 184755), (1260, 172438), (1308, 166110), (1356, 160230), (1470, 147804), (1526, 142380), (1582, 137340), (1635, 132888), (1695, 128184), (1764, 123170), (1960, 110853), (1962, 110740), (2034, 106820), (2180, 99666), (2205, 98536), (2260, 96138), (2289, 94920), (2373, 91560), (2520, 86219), (2616, 83055), (2712, 80115), (2940, 73902), (3052, 71190), (3164, 68670), (3270, 66444), (3390, 64092), (3528, 61585), (3815, 56952), (3924, 55370), (3955, 54936), (4068, 53410), (4360, 49833), (4410, 49268), (4520, 48069), (4578, 47460), (4746, 45780), (4905, 44296), (5085, 42728), (5341, 40680), (5537, 39240), (5880, 36951), (6104, 35595), (6328, 34335), (6540, 33222), (6780, 32046), (6867, 31640), (7119, 30520), (7630, 28476), (7848, 27685), (7910, 27468), (8136, 26705), (8820, 24634), (9156, 23730), (9492, 22890), (9810, 22148), (10170, 21364), (10682, 20340), (11074, 19620), (11445, 18984), (11865, 18312), (12317, 17640), (13080, 16611), (13560, 16023), (13734, 15820), (14238, 15260)]