290142240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:723

約数の個数: 192

約数和(自身を含む): 978469632

約数和(自身を除く): 688327392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 41, 46, 48, 60, 69, 80, 82, 92, 96, 115, 120, 123, 138, 160, 164, 184, 205, 230, 240, 246, 276, 328, 345, 368, 410, 460, 480, 492, 552, 615, 641, 656, 690, 736, 820, 920, 943, 984, 1104, 1230, 1282, 1312, 1380, 1640, 1840, 1886, 1923, 1968, 2208, 2460, 2564, 2760, 2829, 3205, 3280, 3680, 3772, 3846, 3936, 4715, 4920, 5128, 5520, 5658, 6410, 6560, 7544, 7692, 9430, 9615, 9840, 10256, 11040, 11316, 12820, 14145, 14743, 15088, 15384, 18860, 19230, 19680, 20512, 22632, 25640, 26281, 28290, 29486, 30176, 30768, 37720, 38460, 44229, 45264, 51280, 52562, 56580, 58972, 61536, 73715, 75440, 76920, 78843, 88458, 90528, 102560, 105124, 113160, 117944, 131405, 147430, 150880, 153840, 157686, 176916, 210248, 221145, 226320, 235888, 262810, 294860, 307680, 315372, 353832, 394215, 420496, 442290, 452640, 471776, 525620, 589720, 604463, 630744, 707664, 788430, 840992, 884580, 1051240, 1179440, 1208926, 1261488, 1415328, 1576860, 1769160, 1813389, 2102480, 2358880, 2417852, 2522976, 3022315, 3153720, 3538320, 3626778, 4204960, 4835704, 6044630, 6307440, 7076640, 7253556, 9066945, 9671408, 12089260, 12614880, 14507112, 18133890, 19342816, 24178520, 29014224, 36267780, 48357040, 58028448, 72535560, 96714080, 145071120, 290142240]

約数ペア:

[(1, 290142240), (2, 145071120), (3, 96714080), (4, 72535560), (5, 58028448), (6, 48357040), (8, 36267780), (10, 29014224), (12, 24178520), (15, 19342816), (16, 18133890), (20, 14507112), (23, 12614880), (24, 12089260), (30, 9671408), (32, 9066945), (40, 7253556), (41, 7076640), (46, 6307440), (48, 6044630), (60, 4835704), (69, 4204960), (80, 3626778), (82, 3538320), (92, 3153720), (96, 3022315), (115, 2522976), (120, 2417852), (123, 2358880), (138, 2102480), (160, 1813389), (164, 1769160), (184, 1576860), (205, 1415328), (230, 1261488), (240, 1208926), (246, 1179440), (276, 1051240), (328, 884580), (345, 840992), (368, 788430), (410, 707664), (460, 630744), (480, 604463), (492, 589720), (552, 525620), (615, 471776), (641, 452640), (656, 442290), (690, 420496), (736, 394215), (820, 353832), (920, 315372), (943, 307680), (984, 294860), (1104, 262810), (1230, 235888), (1282, 226320), (1312, 221145), (1380, 210248), (1640, 176916), (1840, 157686), (1886, 153840), (1923, 150880), (1968, 147430), (2208, 131405), (2460, 117944), (2564, 113160), (2760, 105124), (2829, 102560), (3205, 90528), (3280, 88458), (3680, 78843), (3772, 76920), (3846, 75440), (3936, 73715), (4715, 61536), (4920, 58972), (5128, 56580), (5520, 52562), (5658, 51280), (6410, 45264), (6560, 44229), (7544, 38460), (7692, 37720), (9430, 30768), (9615, 30176), (9840, 29486), (10256, 28290), (11040, 26281), (11316, 25640), (12820, 22632), (14145, 20512), (14743, 19680), (15088, 19230), (15384, 18860)]