256862970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:509

約数の個数: 192

約数和(自身を含む): 834462720

約数和(自身を除く): 577599750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 79, 90, 91, 105, 117, 126, 130, 158, 182, 195, 210, 234, 237, 273, 315, 390, 395, 397, 455, 474, 546, 553, 585, 630, 711, 790, 794, 819, 910, 1027, 1106, 1170, 1185, 1191, 1365, 1422, 1638, 1659, 1985, 2054, 2370, 2382, 2730, 2765, 2779, 3081, 3318, 3555, 3573, 3970, 4095, 4977, 5135, 5161, 5530, 5558, 5955, 6162, 7110, 7146, 7189, 8190, 8295, 8337, 9243, 9954, 10270, 10322, 11910, 13895, 14378, 15405, 15483, 16590, 16674, 17865, 18486, 21567, 24885, 25011, 25805, 27790, 30810, 30966, 31363, 35730, 35945, 36127, 41685, 43134, 46215, 46449, 49770, 50022, 51610, 62726, 64701, 71890, 72254, 77415, 83370, 92430, 92898, 94089, 107835, 108381, 125055, 129402, 154830, 156815, 180635, 188178, 215670, 216762, 219541, 232245, 250110, 282267, 313630, 323505, 325143, 361270, 407719, 439082, 464490, 470445, 541905, 564534, 647010, 650286, 658623, 815438, 940890, 1083810, 1097705, 1223157, 1317246, 1411335, 1625715, 1975869, 2038595, 2195410, 2446314, 2822670, 2854033, 3251430, 3293115, 3669471, 3951738, 4077190, 5708066, 6115785, 6586230, 7338942, 8562099, 9879345, 12231570, 14270165, 17124198, 18347355, 19758690, 25686297, 28540330, 36694710, 42810495, 51372594, 85620990, 128431485, 256862970]

約数ペア:

[(1, 256862970), (2, 128431485), (3, 85620990), (5, 51372594), (6, 42810495), (7, 36694710), (9, 28540330), (10, 25686297), (13, 19758690), (14, 18347355), (15, 17124198), (18, 14270165), (21, 12231570), (26, 9879345), (30, 8562099), (35, 7338942), (39, 6586230), (42, 6115785), (45, 5708066), (63, 4077190), (65, 3951738), (70, 3669471), (78, 3293115), (79, 3251430), (90, 2854033), (91, 2822670), (105, 2446314), (117, 2195410), (126, 2038595), (130, 1975869), (158, 1625715), (182, 1411335), (195, 1317246), (210, 1223157), (234, 1097705), (237, 1083810), (273, 940890), (315, 815438), (390, 658623), (395, 650286), (397, 647010), (455, 564534), (474, 541905), (546, 470445), (553, 464490), (585, 439082), (630, 407719), (711, 361270), (790, 325143), (794, 323505), (819, 313630), (910, 282267), (1027, 250110), (1106, 232245), (1170, 219541), (1185, 216762), (1191, 215670), (1365, 188178), (1422, 180635), (1638, 156815), (1659, 154830), (1985, 129402), (2054, 125055), (2370, 108381), (2382, 107835), (2730, 94089), (2765, 92898), (2779, 92430), (3081, 83370), (3318, 77415), (3555, 72254), (3573, 71890), (3970, 64701), (4095, 62726), (4977, 51610), (5135, 50022), (5161, 49770), (5530, 46449), (5558, 46215), (5955, 43134), (6162, 41685), (7110, 36127), (7146, 35945), (7189, 35730), (8190, 31363), (8295, 30966), (8337, 30810), (9243, 27790), (9954, 25805), (10270, 25011), (10322, 24885), (11910, 21567), (13895, 18486), (14378, 17865), (15405, 16674), (15483, 16590)]