1947729780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1007

約数の個数: 192

約数和(自身を含む): 6445474560

約数和(自身を除く): 4497744780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 331, 340, 459, 510, 540, 612, 641, 662, 765, 918, 993, 1020, 1282, 1324, 1530, 1655, 1836, 1923, 1986, 2295, 2564, 2979, 3060, 3205, 3310, 3846, 3972, 4590, 4965, 5627, 5769, 5958, 6410, 6620, 7692, 8937, 9180, 9615, 9930, 10897, 11254, 11538, 11916, 12820, 14895, 16881, 17307, 17874, 19230, 19860, 21794, 22508, 23076, 28135, 28845, 29790, 32691, 33762, 34614, 35748, 38460, 43588, 44685, 50643, 54485, 56270, 57690, 59580, 65382, 67524, 69228, 84405, 86535, 89370, 98073, 101286, 108970, 112540, 115380, 130764, 151929, 163455, 168810, 173070, 178740, 196146, 202572, 212171, 217940, 253215, 294219, 303858, 326910, 337620, 346140, 392292, 424342, 490365, 506430, 588438, 607716, 636513, 653820, 759645, 848684, 980730, 1012860, 1060855, 1176876, 1273026, 1471095, 1519290, 1909539, 1961460, 2121710, 2546052, 2942190, 3038580, 3182565, 3606907, 3819078, 4243420, 5728617, 5884380, 6365130, 7213814, 7638156, 9547695, 10820721, 11457234, 12730260, 14427628, 18034535, 19095390, 21641442, 22914468, 28643085, 32462163, 36069070, 38190780, 43282884, 54103605, 57286170, 64924326, 72138140, 97386489, 108207210, 114572340, 129848652, 162310815, 194772978, 216414420, 324621630, 389545956, 486932445, 649243260, 973864890, 1947729780]

約数ペア:

[(1, 1947729780), (2, 973864890), (3, 649243260), (4, 486932445), (5, 389545956), (6, 324621630), (9, 216414420), (10, 194772978), (12, 162310815), (15, 129848652), (17, 114572340), (18, 108207210), (20, 97386489), (27, 72138140), (30, 64924326), (34, 57286170), (36, 54103605), (45, 43282884), (51, 38190780), (54, 36069070), (60, 32462163), (68, 28643085), (85, 22914468), (90, 21641442), (102, 19095390), (108, 18034535), (135, 14427628), (153, 12730260), (170, 11457234), (180, 10820721), (204, 9547695), (255, 7638156), (270, 7213814), (306, 6365130), (331, 5884380), (340, 5728617), (459, 4243420), (510, 3819078), (540, 3606907), (612, 3182565), (641, 3038580), (662, 2942190), (765, 2546052), (918, 2121710), (993, 1961460), (1020, 1909539), (1282, 1519290), (1324, 1471095), (1530, 1273026), (1655, 1176876), (1836, 1060855), (1923, 1012860), (1986, 980730), (2295, 848684), (2564, 759645), (2979, 653820), (3060, 636513), (3205, 607716), (3310, 588438), (3846, 506430), (3972, 490365), (4590, 424342), (4965, 392292), (5627, 346140), (5769, 337620), (5958, 326910), (6410, 303858), (6620, 294219), (7692, 253215), (8937, 217940), (9180, 212171), (9615, 202572), (9930, 196146), (10897, 178740), (11254, 173070), (11538, 168810), (11916, 163455), (12820, 151929), (14895, 130764), (16881, 115380), (17307, 112540), (17874, 108970), (19230, 101286), (19860, 98073), (21794, 89370), (22508, 86535), (23076, 84405), (28135, 69228), (28845, 67524), (29790, 65382), (32691, 59580), (33762, 57690), (34614, 56270), (35748, 54485), (38460, 50643), (43588, 44685)]