254989280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 753919488

約数和(自身を除く): 498930208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 83, 91, 104, 112, 130, 140, 160, 166, 182, 208, 211, 224, 260, 280, 332, 364, 415, 416, 422, 455, 520, 560, 581, 664, 728, 830, 844, 910, 1040, 1055, 1079, 1120, 1162, 1328, 1456, 1477, 1660, 1688, 1820, 2080, 2110, 2158, 2324, 2656, 2743, 2905, 2912, 2954, 3320, 3376, 3640, 4220, 4316, 4648, 5395, 5486, 5810, 5908, 6640, 6752, 7280, 7385, 7553, 8440, 8632, 9296, 10790, 10972, 11620, 11816, 13280, 13715, 14560, 14770, 15106, 16880, 17264, 17513, 18592, 19201, 21580, 21944, 23240, 23632, 27430, 29540, 30212, 33760, 34528, 35026, 37765, 38402, 43160, 43888, 46480, 47264, 54860, 59080, 60424, 70052, 75530, 76804, 86320, 87565, 87776, 92960, 96005, 109720, 118160, 120848, 122591, 140104, 151060, 153608, 172640, 175130, 192010, 219440, 227669, 236320, 241696, 245182, 280208, 302120, 307216, 350260, 384020, 438880, 455338, 490364, 560416, 604240, 612955, 614432, 700520, 768040, 910676, 980728, 1138345, 1208480, 1225910, 1401040, 1536080, 1593683, 1821352, 1961456, 2276690, 2451820, 2802080, 3072160, 3187366, 3642704, 3922912, 4553380, 4903640, 6374732, 7285408, 7968415, 9106760, 9807280, 12749464, 15936830, 18213520, 19614560, 25498928, 31873660, 36427040, 50997856, 63747320, 127494640, 254989280]

約数ペア:

[(1, 254989280), (2, 127494640), (4, 63747320), (5, 50997856), (7, 36427040), (8, 31873660), (10, 25498928), (13, 19614560), (14, 18213520), (16, 15936830), (20, 12749464), (26, 9807280), (28, 9106760), (32, 7968415), (35, 7285408), (40, 6374732), (52, 4903640), (56, 4553380), (65, 3922912), (70, 3642704), (80, 3187366), (83, 3072160), (91, 2802080), (104, 2451820), (112, 2276690), (130, 1961456), (140, 1821352), (160, 1593683), (166, 1536080), (182, 1401040), (208, 1225910), (211, 1208480), (224, 1138345), (260, 980728), (280, 910676), (332, 768040), (364, 700520), (415, 614432), (416, 612955), (422, 604240), (455, 560416), (520, 490364), (560, 455338), (581, 438880), (664, 384020), (728, 350260), (830, 307216), (844, 302120), (910, 280208), (1040, 245182), (1055, 241696), (1079, 236320), (1120, 227669), (1162, 219440), (1328, 192010), (1456, 175130), (1477, 172640), (1660, 153608), (1688, 151060), (1820, 140104), (2080, 122591), (2110, 120848), (2158, 118160), (2324, 109720), (2656, 96005), (2743, 92960), (2905, 87776), (2912, 87565), (2954, 86320), (3320, 76804), (3376, 75530), (3640, 70052), (4220, 60424), (4316, 59080), (4648, 54860), (5395, 47264), (5486, 46480), (5810, 43888), (5908, 43160), (6640, 38402), (6752, 37765), (7280, 35026), (7385, 34528), (7553, 33760), (8440, 30212), (8632, 29540), (9296, 27430), (10790, 23632), (10972, 23240), (11620, 21944), (11816, 21580), (13280, 19201), (13715, 18592), (14560, 17513), (14770, 17264), (15106, 16880)]