201645920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 574801920

約数和(自身を除く): 373156000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 53, 56, 70, 79, 80, 86, 106, 112, 140, 158, 160, 172, 212, 215, 224, 265, 280, 301, 316, 344, 371, 395, 424, 430, 530, 553, 560, 602, 632, 688, 742, 790, 848, 860, 1060, 1106, 1120, 1204, 1264, 1376, 1484, 1505, 1580, 1696, 1720, 1855, 2120, 2212, 2279, 2408, 2528, 2765, 2968, 3010, 3160, 3397, 3440, 3710, 4187, 4240, 4424, 4558, 4816, 5530, 5936, 6020, 6320, 6794, 6880, 7420, 8374, 8480, 8848, 9116, 9632, 11060, 11395, 11872, 12040, 12640, 13588, 14840, 15953, 16748, 16985, 17696, 18232, 20935, 22120, 22790, 23779, 24080, 27176, 29309, 29680, 31906, 33496, 33970, 36464, 41870, 44240, 45580, 47558, 48160, 54352, 58618, 59360, 63812, 66992, 67940, 72928, 79765, 83740, 88480, 91160, 95116, 108704, 117236, 118895, 127624, 133984, 135880, 146545, 159530, 167480, 180041, 182320, 190232, 234472, 237790, 255248, 271760, 293090, 319060, 334960, 360082, 364640, 380464, 468944, 475580, 510496, 543520, 586180, 638120, 669920, 720164, 760928, 900205, 937888, 951160, 1172360, 1260287, 1276240, 1440328, 1800410, 1902320, 2344720, 2520574, 2552480, 2880656, 3600820, 3804640, 4689440, 5041148, 5761312, 6301435, 7201640, 10082296, 12602870, 14403280, 20164592, 25205740, 28806560, 40329184, 50411480, 100822960, 201645920]

約数ペア:

[(1, 201645920), (2, 100822960), (4, 50411480), (5, 40329184), (7, 28806560), (8, 25205740), (10, 20164592), (14, 14403280), (16, 12602870), (20, 10082296), (28, 7201640), (32, 6301435), (35, 5761312), (40, 5041148), (43, 4689440), (53, 3804640), (56, 3600820), (70, 2880656), (79, 2552480), (80, 2520574), (86, 2344720), (106, 1902320), (112, 1800410), (140, 1440328), (158, 1276240), (160, 1260287), (172, 1172360), (212, 951160), (215, 937888), (224, 900205), (265, 760928), (280, 720164), (301, 669920), (316, 638120), (344, 586180), (371, 543520), (395, 510496), (424, 475580), (430, 468944), (530, 380464), (553, 364640), (560, 360082), (602, 334960), (632, 319060), (688, 293090), (742, 271760), (790, 255248), (848, 237790), (860, 234472), (1060, 190232), (1106, 182320), (1120, 180041), (1204, 167480), (1264, 159530), (1376, 146545), (1484, 135880), (1505, 133984), (1580, 127624), (1696, 118895), (1720, 117236), (1855, 108704), (2120, 95116), (2212, 91160), (2279, 88480), (2408, 83740), (2528, 79765), (2765, 72928), (2968, 67940), (3010, 66992), (3160, 63812), (3397, 59360), (3440, 58618), (3710, 54352), (4187, 48160), (4240, 47558), (4424, 45580), (4558, 44240), (4816, 41870), (5530, 36464), (5936, 33970), (6020, 33496), (6320, 31906), (6794, 29680), (6880, 29309), (7420, 27176), (8374, 24080), (8480, 23779), (8848, 22790), (9116, 22120), (9632, 20935), (11060, 18232), (11395, 17696), (11872, 16985), (12040, 16748), (12640, 15953), (13588, 14840)]