256871160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7841}}^1$

素因数の和:7878

約数の個数: 192

約数和(自身を含む): 1027615680

約数和(自身を除く): 770744520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 7841, 8190, 10920, 15682, 16380, 23523, 31364, 32760, 39205, 47046, 54887, 62728, 70569, 78410, 94092, 101933, 109774, 117615, 141138, 156820, 164661, 188184, 203866, 219548, 235230, 274435, 282276, 305799, 313640, 329322, 352845, 407732, 439096, 470460, 493983, 509665, 548870, 564552, 611598, 658644, 705690, 713531, 815464, 823305, 917397, 940920, 987966, 1019330, 1097740, 1223196, 1317288, 1411380, 1427062, 1528995, 1646610, 1834794, 1975932, 2038660, 2140593, 2195480, 2446392, 2469915, 2822760, 2854124, 3057990, 3293220, 3567655, 3669588, 3951864, 4077320, 4281186, 4586985, 4939830, 5708248, 6115980, 6421779, 6586440, 7135310, 7339176, 8562372, 9173970, 9879660, 10702965, 12231960, 12843558, 14270620, 17124744, 18347940, 19759320, 21405930, 25687116, 28541240, 32108895, 36695880, 42811860, 51374232, 64217790, 85623720, 128435580, 256871160]

約数ペア:

[(1, 256871160), (2, 128435580), (3, 85623720), (4, 64217790), (5, 51374232), (6, 42811860), (7, 36695880), (8, 32108895), (9, 28541240), (10, 25687116), (12, 21405930), (13, 19759320), (14, 18347940), (15, 17124744), (18, 14270620), (20, 12843558), (21, 12231960), (24, 10702965), (26, 9879660), (28, 9173970), (30, 8562372), (35, 7339176), (36, 7135310), (39, 6586440), (40, 6421779), (42, 6115980), (45, 5708248), (52, 4939830), (56, 4586985), (60, 4281186), (63, 4077320), (65, 3951864), (70, 3669588), (72, 3567655), (78, 3293220), (84, 3057990), (90, 2854124), (91, 2822760), (104, 2469915), (105, 2446392), (117, 2195480), (120, 2140593), (126, 2038660), (130, 1975932), (140, 1834794), (156, 1646610), (168, 1528995), (180, 1427062), (182, 1411380), (195, 1317288), (210, 1223196), (234, 1097740), (252, 1019330), (260, 987966), (273, 940920), (280, 917397), (312, 823305), (315, 815464), (360, 713531), (364, 705690), (390, 658644), (420, 611598), (455, 564552), (468, 548870), (504, 509665), (520, 493983), (546, 470460), (585, 439096), (630, 407732), (728, 352845), (780, 329322), (819, 313640), (840, 305799), (910, 282276), (936, 274435), (1092, 235230), (1170, 219548), (1260, 203866), (1365, 188184), (1560, 164661), (1638, 156820), (1820, 141138), (2184, 117615), (2340, 109774), (2520, 101933), (2730, 94092), (3276, 78410), (3640, 70569), (4095, 62728), (4680, 54887), (5460, 47046), (6552, 39205), (7841, 32760), (8190, 31364), (10920, 23523), (15682, 16380)]