261855360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 288

約数和(自身を含む): 982764900

約数和(自身を除く): 720909540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 269, 288, 312, 320, 338, 360, 384, 390, 416, 468, 480, 507, 520, 538, 576, 585, 624, 640, 676, 720, 780, 807, 832, 845, 936, 960, 1014, 1040, 1076, 1152, 1170, 1248, 1345, 1352, 1440, 1521, 1560, 1614, 1664, 1690, 1872, 1920, 2028, 2080, 2152, 2340, 2421, 2496, 2535, 2690, 2704, 2880, 3042, 3120, 3228, 3380, 3497, 3744, 4035, 4056, 4160, 4304, 4680, 4842, 4992, 5070, 5380, 5408, 5760, 6084, 6240, 6456, 6760, 6994, 7488, 7605, 8070, 8112, 8320, 8608, 9360, 9684, 10140, 10491, 10760, 10816, 12105, 12168, 12480, 12912, 13520, 13988, 14976, 15210, 16140, 16224, 17216, 17485, 18720, 19368, 20280, 20982, 21520, 21632, 24210, 24336, 24960, 25824, 27040, 27976, 30420, 31473, 32280, 32448, 34432, 34970, 37440, 38736, 40560, 41964, 43040, 45461, 48420, 48672, 51648, 52455, 54080, 55952, 60840, 62946, 64560, 64896, 69940, 74880, 77472, 81120, 83928, 86080, 90922, 96840, 97344, 103296, 104910, 108160, 111904, 121680, 125892, 129120, 136383, 139880, 154944, 157365, 162240, 167856, 172160, 181844, 193680, 194688, 209820, 223808, 227305, 243360, 251784, 258240, 272766, 279760, 309888, 314730, 324480, 335712, 363688, 387360, 409149, 419640, 447616, 454610, 486720, 503568, 516480, 545532, 559520, 629460, 671424, 681915, 727376, 774720, 818298, 839280, 909220, 973440, 1007136, 1091064, 1119040, 1258920, 1342848, 1363830, 1454752, 1549440, 1636596, 1678560, 1818440, 2014272, 2045745, 2182128, 2238080, 2517840, 2727660, 2909504, 3273192, 3357120, 3636880, 4028544, 4091490, 4364256, 5035680, 5455320, 5819008, 6546384, 6714240, 7273760, 8182980, 8728512, 10071360, 10910640, 13092768, 14547520, 16365960, 17457024, 20142720, 21821280, 26185536, 29095040, 32731920, 43642560, 52371072, 65463840, 87285120, 130927680, 261855360]

約数ペア:

[(1, 261855360), (2, 130927680), (3, 87285120), (4, 65463840), (5, 52371072), (6, 43642560), (8, 32731920), (9, 29095040), (10, 26185536), (12, 21821280), (13, 20142720), (15, 17457024), (16, 16365960), (18, 14547520), (20, 13092768), (24, 10910640), (26, 10071360), (30, 8728512), (32, 8182980), (36, 7273760), (39, 6714240), (40, 6546384), (45, 5819008), (48, 5455320), (52, 5035680), (60, 4364256), (64, 4091490), (65, 4028544), (72, 3636880), (78, 3357120), (80, 3273192), (90, 2909504), (96, 2727660), (104, 2517840), (117, 2238080), (120, 2182128), (128, 2045745), (130, 2014272), (144, 1818440), (156, 1678560), (160, 1636596), (169, 1549440), (180, 1454752), (192, 1363830), (195, 1342848), (208, 1258920), (234, 1119040), (240, 1091064), (260, 1007136), (269, 973440), (288, 909220), (312, 839280), (320, 818298), (338, 774720), (360, 727376), (384, 681915), (390, 671424), (416, 629460), (468, 559520), (480, 545532), (507, 516480), (520, 503568), (538, 486720), (576, 454610), (585, 447616), (624, 419640), (640, 409149), (676, 387360), (720, 363688), (780, 335712), (807, 324480), (832, 314730), (845, 309888), (936, 279760), (960, 272766), (1014, 258240), (1040, 251784), (1076, 243360), (1152, 227305), (1170, 223808), (1248, 209820), (1345, 194688), (1352, 193680), (1440, 181844), (1521, 172160), (1560, 167856), (1614, 162240), (1664, 157365), (1690, 154944), (1872, 139880), (1920, 136383), (2028, 129120), (2080, 125892), (2152, 121680), (2340, 111904), (2421, 108160), (2496, 104910), (2535, 103296), (2690, 97344), (2704, 96840), (2880, 90922), (3042, 86080), (3120, 83928), (3228, 81120), (3380, 77472), (3497, 74880), (3744, 69940), (4035, 64896), (4056, 64560), (4160, 62946), (4304, 60840), (4680, 55952), (4842, 54080), (4992, 52455), (5070, 51648), (5380, 48672), (5408, 48420), (5760, 45461), (6084, 43040), (6240, 41964), (6456, 40560), (6760, 38736), (6994, 37440), (7488, 34970), (7605, 34432), (8070, 32448), (8112, 32280), (8320, 31473), (8608, 30420), (9360, 27976), (9684, 27040), (10140, 25824), (10491, 24960), (10760, 24336), (10816, 24210), (12105, 21632), (12168, 21520), (12480, 20982), (12912, 20280), (13520, 19368), (13988, 18720), (14976, 17485), (15210, 17216), (16140, 16224)]