215533920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2837

約数の個数: 192

約数和(自身を含む): 809948160

約数和(自身を除く): 594414240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 2789, 3220, 3360, 3680, 3864, 4830, 5152, 5520, 5578, 6440, 7728, 8367, 9660, 11040, 11156, 12880, 13945, 15456, 16734, 19320, 19523, 22312, 25760, 27890, 33468, 38640, 39046, 41835, 44624, 55780, 58569, 64147, 66936, 77280, 78092, 83670, 89248, 97615, 111560, 117138, 128294, 133872, 156184, 167340, 192441, 195230, 223120, 234276, 256588, 267744, 292845, 312368, 320735, 334680, 384882, 390460, 446240, 449029, 468552, 513176, 585690, 624736, 641470, 669360, 769764, 780920, 898058, 937104, 962205, 1026352, 1171380, 1282940, 1338720, 1347087, 1539528, 1561840, 1796116, 1874208, 1924410, 2052704, 2245145, 2342760, 2565880, 2694174, 3079056, 3123680, 3592232, 3848820, 4490290, 4685520, 5131760, 5388348, 6158112, 6735435, 7184464, 7697640, 8980580, 9371040, 10263520, 10776696, 13470870, 14368928, 15395280, 17961160, 21553392, 26941740, 30790560, 35922320, 43106784, 53883480, 71844640, 107766960, 215533920]

約数ペア:

[(1, 215533920), (2, 107766960), (3, 71844640), (4, 53883480), (5, 43106784), (6, 35922320), (7, 30790560), (8, 26941740), (10, 21553392), (12, 17961160), (14, 15395280), (15, 14368928), (16, 13470870), (20, 10776696), (21, 10263520), (23, 9371040), (24, 8980580), (28, 7697640), (30, 7184464), (32, 6735435), (35, 6158112), (40, 5388348), (42, 5131760), (46, 4685520), (48, 4490290), (56, 3848820), (60, 3592232), (69, 3123680), (70, 3079056), (80, 2694174), (84, 2565880), (92, 2342760), (96, 2245145), (105, 2052704), (112, 1924410), (115, 1874208), (120, 1796116), (138, 1561840), (140, 1539528), (160, 1347087), (161, 1338720), (168, 1282940), (184, 1171380), (210, 1026352), (224, 962205), (230, 937104), (240, 898058), (276, 780920), (280, 769764), (322, 669360), (336, 641470), (345, 624736), (368, 585690), (420, 513176), (460, 468552), (480, 449029), (483, 446240), (552, 390460), (560, 384882), (644, 334680), (672, 320735), (690, 312368), (736, 292845), (805, 267744), (840, 256588), (920, 234276), (966, 223120), (1104, 195230), (1120, 192441), (1288, 167340), (1380, 156184), (1610, 133872), (1680, 128294), (1840, 117138), (1932, 111560), (2208, 97615), (2415, 89248), (2576, 83670), (2760, 78092), (2789, 77280), (3220, 66936), (3360, 64147), (3680, 58569), (3864, 55780), (4830, 44624), (5152, 41835), (5520, 39046), (5578, 38640), (6440, 33468), (7728, 27890), (8367, 25760), (9660, 22312), (11040, 19523), (11156, 19320), (12880, 16734), (13945, 15456)]