259725440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 740275200

約数和(自身を除く): 480549760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 53, 62, 64, 65, 76, 80, 95, 104, 106, 124, 128, 130, 152, 155, 160, 190, 208, 212, 247, 248, 260, 265, 304, 310, 320, 380, 403, 416, 424, 494, 496, 520, 530, 589, 608, 620, 640, 689, 760, 806, 832, 848, 988, 992, 1007, 1040, 1060, 1178, 1216, 1235, 1240, 1378, 1520, 1612, 1643, 1664, 1696, 1976, 1984, 2014, 2015, 2080, 2120, 2356, 2432, 2470, 2480, 2756, 2945, 3040, 3224, 3286, 3392, 3445, 3952, 3968, 4028, 4030, 4160, 4240, 4712, 4940, 4960, 5035, 5512, 5890, 6080, 6448, 6572, 6784, 6890, 7657, 7904, 8056, 8060, 8215, 8320, 8480, 9424, 9880, 9920, 10070, 11024, 11780, 12160, 12896, 13091, 13144, 13780, 15314, 15808, 16112, 16120, 16430, 16960, 18848, 19760, 19840, 20140, 21359, 22048, 23560, 25792, 26182, 26288, 27560, 30628, 31217, 31616, 32224, 32240, 32860, 33920, 37696, 38285, 39520, 40280, 42718, 44096, 47120, 51584, 52364, 52576, 55120, 61256, 62434, 64448, 64480, 65455, 65720, 75392, 76570, 79040, 80560, 85436, 88192, 94240, 104728, 105152, 106795, 110240, 122512, 124868, 128896, 128960, 130910, 131440, 153140, 156085, 158080, 161120, 170872, 188480, 209456, 210304, 213590, 220480, 245024, 249736, 257920, 261820, 262880, 306280, 312170, 322240, 341744, 376960, 405821, 418912, 427180, 440960, 490048, 499472, 523640, 525760, 612560, 624340, 644480, 683488, 811642, 837824, 854360, 980096, 998944, 1047280, 1051520, 1225120, 1248680, 1366976, 1623284, 1675648, 1708720, 1997888, 2029105, 2094560, 2450240, 2497360, 2733952, 3246568, 3417440, 3995776, 4058210, 4189120, 4900480, 4994720, 6493136, 6834880, 8116420, 8378240, 9989440, 12986272, 13669760, 16232840, 19978880, 25972544, 32465680, 51945088, 64931360, 129862720, 259725440]

約数ペア:

[(1, 259725440), (2, 129862720), (4, 64931360), (5, 51945088), (8, 32465680), (10, 25972544), (13, 19978880), (16, 16232840), (19, 13669760), (20, 12986272), (26, 9989440), (31, 8378240), (32, 8116420), (38, 6834880), (40, 6493136), (52, 4994720), (53, 4900480), (62, 4189120), (64, 4058210), (65, 3995776), (76, 3417440), (80, 3246568), (95, 2733952), (104, 2497360), (106, 2450240), (124, 2094560), (128, 2029105), (130, 1997888), (152, 1708720), (155, 1675648), (160, 1623284), (190, 1366976), (208, 1248680), (212, 1225120), (247, 1051520), (248, 1047280), (260, 998944), (265, 980096), (304, 854360), (310, 837824), (320, 811642), (380, 683488), (403, 644480), (416, 624340), (424, 612560), (494, 525760), (496, 523640), (520, 499472), (530, 490048), (589, 440960), (608, 427180), (620, 418912), (640, 405821), (689, 376960), (760, 341744), (806, 322240), (832, 312170), (848, 306280), (988, 262880), (992, 261820), (1007, 257920), (1040, 249736), (1060, 245024), (1178, 220480), (1216, 213590), (1235, 210304), (1240, 209456), (1378, 188480), (1520, 170872), (1612, 161120), (1643, 158080), (1664, 156085), (1696, 153140), (1976, 131440), (1984, 130910), (2014, 128960), (2015, 128896), (2080, 124868), (2120, 122512), (2356, 110240), (2432, 106795), (2470, 105152), (2480, 104728), (2756, 94240), (2945, 88192), (3040, 85436), (3224, 80560), (3286, 79040), (3392, 76570), (3445, 75392), (3952, 65720), (3968, 65455), (4028, 64480), (4030, 64448), (4160, 62434), (4240, 61256), (4712, 55120), (4940, 52576), (4960, 52364), (5035, 51584), (5512, 47120), (5890, 44096), (6080, 42718), (6448, 40280), (6572, 39520), (6784, 38285), (6890, 37696), (7657, 33920), (7904, 32860), (8056, 32240), (8060, 32224), (8215, 31616), (8320, 31217), (8480, 30628), (9424, 27560), (9880, 26288), (9920, 26182), (10070, 25792), (11024, 23560), (11780, 22048), (12160, 21359), (12896, 20140), (13091, 19840), (13144, 19760), (13780, 18848), (15314, 16960), (15808, 16430), (16112, 16120)]