991818240

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1023

約数の個数: 320

約数和(自身を含む): 3818327040

約数和(自身を除く): 2826508800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 512, 532, 560, 570, 608, 640, 665, 672, 760, 768, 798, 840, 896, 912, 960, 971, 1064, 1120, 1140, 1216, 1280, 1330, 1344, 1520, 1536, 1596, 1680, 1792, 1824, 1920, 1942, 1995, 2128, 2240, 2280, 2432, 2560, 2660, 2688, 2913, 3040, 3192, 3360, 3584, 3648, 3840, 3884, 3990, 4256, 4480, 4560, 4855, 4864, 5320, 5376, 5826, 6080, 6384, 6720, 6797, 7296, 7680, 7768, 7980, 8512, 8960, 9120, 9710, 9728, 10640, 10752, 11652, 12160, 12768, 13440, 13594, 14565, 14592, 15536, 15960, 17024, 17920, 18240, 18449, 19420, 20391, 21280, 23304, 24320, 25536, 26880, 27188, 29130, 29184, 31072, 31920, 33985, 34048, 36480, 36898, 38840, 40782, 42560, 46608, 48640, 51072, 53760, 54376, 55347, 58260, 62144, 63840, 67970, 68096, 72960, 73796, 77680, 81564, 85120, 92245, 93216, 101955, 102144, 108752, 110694, 116520, 124288, 127680, 129143, 135940, 145920, 147592, 155360, 163128, 170240, 184490, 186432, 203910, 204288, 217504, 221388, 233040, 248576, 255360, 258286, 271880, 276735, 295184, 310720, 326256, 340480, 368980, 372864, 387429, 407820, 435008, 442776, 466080, 497152, 510720, 516572, 543760, 553470, 590368, 621440, 645715, 652512, 737960, 745728, 774858, 815640, 870016, 885552, 932160, 1021440, 1033144, 1087520, 1106940, 1180736, 1242880, 1291430, 1305024, 1475920, 1491456, 1549716, 1631280, 1740032, 1771104, 1864320, 1937145, 2066288, 2175040, 2213880, 2361472, 2485760, 2582860, 2610048, 2951840, 3099432, 3262560, 3480064, 3542208, 3728640, 3874290, 4132576, 4350080, 4427760, 4722944, 5165720, 5220096, 5903680, 6198864, 6525120, 7084416, 7457280, 7748580, 8265152, 8700160, 8855520, 9445888, 10331440, 10440192, 11807360, 12397728, 13050240, 14168832, 15497160, 16530304, 17400320, 17711040, 20662880, 23614720, 24795456, 26100480, 28337664, 30994320, 33060608, 35422080, 41325760, 47229440, 49590912, 52200960, 61988640, 66121216, 70844160, 82651520, 99181824, 123977280, 141688320, 165303040, 198363648, 247954560, 330606080, 495909120, 991818240]

約数ペア:

[(1, 991818240), (2, 495909120), (3, 330606080), (4, 247954560), (5, 198363648), (6, 165303040), (7, 141688320), (8, 123977280), (10, 99181824), (12, 82651520), (14, 70844160), (15, 66121216), (16, 61988640), (19, 52200960), (20, 49590912), (21, 47229440), (24, 41325760), (28, 35422080), (30, 33060608), (32, 30994320), (35, 28337664), (38, 26100480), (40, 24795456), (42, 23614720), (48, 20662880), (56, 17711040), (57, 17400320), (60, 16530304), (64, 15497160), (70, 14168832), (76, 13050240), (80, 12397728), (84, 11807360), (95, 10440192), (96, 10331440), (105, 9445888), (112, 8855520), (114, 8700160), (120, 8265152), (128, 7748580), (133, 7457280), (140, 7084416), (152, 6525120), (160, 6198864), (168, 5903680), (190, 5220096), (192, 5165720), (210, 4722944), (224, 4427760), (228, 4350080), (240, 4132576), (256, 3874290), (266, 3728640), (280, 3542208), (285, 3480064), (304, 3262560), (320, 3099432), (336, 2951840), (380, 2610048), (384, 2582860), (399, 2485760), (420, 2361472), (448, 2213880), (456, 2175040), (480, 2066288), (512, 1937145), (532, 1864320), (560, 1771104), (570, 1740032), (608, 1631280), (640, 1549716), (665, 1491456), (672, 1475920), (760, 1305024), (768, 1291430), (798, 1242880), (840, 1180736), (896, 1106940), (912, 1087520), (960, 1033144), (971, 1021440), (1064, 932160), (1120, 885552), (1140, 870016), (1216, 815640), (1280, 774858), (1330, 745728), (1344, 737960), (1520, 652512), (1536, 645715), (1596, 621440), (1680, 590368), (1792, 553470), (1824, 543760), (1920, 516572), (1942, 510720), (1995, 497152), (2128, 466080), (2240, 442776), (2280, 435008), (2432, 407820), (2560, 387429), (2660, 372864), (2688, 368980), (2913, 340480), (3040, 326256), (3192, 310720), (3360, 295184), (3584, 276735), (3648, 271880), (3840, 258286), (3884, 255360), (3990, 248576), (4256, 233040), (4480, 221388), (4560, 217504), (4855, 204288), (4864, 203910), (5320, 186432), (5376, 184490), (5826, 170240), (6080, 163128), (6384, 155360), (6720, 147592), (6797, 145920), (7296, 135940), (7680, 129143), (7768, 127680), (7980, 124288), (8512, 116520), (8960, 110694), (9120, 108752), (9710, 102144), (9728, 101955), (10640, 93216), (10752, 92245), (11652, 85120), (12160, 81564), (12768, 77680), (13440, 73796), (13594, 72960), (14565, 68096), (14592, 67970), (15536, 63840), (15960, 62144), (17024, 58260), (17920, 55347), (18240, 54376), (18449, 53760), (19420, 51072), (20391, 48640), (21280, 46608), (23304, 42560), (24320, 40782), (25536, 38840), (26880, 36898), (27188, 36480), (29130, 34048), (29184, 33985), (31072, 31920)]