64728180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 192

約数和(自身を含む): 232968960

約数和(自身を除く): 168240780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 132, 135, 153, 165, 170, 180, 187, 198, 204, 220, 255, 270, 297, 306, 330, 340, 374, 396, 459, 495, 510, 540, 561, 594, 612, 641, 660, 748, 765, 918, 935, 990, 1020, 1122, 1188, 1282, 1485, 1530, 1683, 1836, 1870, 1923, 1980, 2244, 2295, 2564, 2805, 2970, 3060, 3205, 3366, 3740, 3846, 4590, 5049, 5610, 5769, 5940, 6410, 6732, 7051, 7692, 8415, 9180, 9615, 10098, 10897, 11220, 11538, 12820, 14102, 16830, 17307, 19230, 20196, 21153, 21794, 23076, 25245, 28204, 28845, 32691, 33660, 34614, 35255, 38460, 42306, 43588, 50490, 54485, 57690, 63459, 65382, 69228, 70510, 84612, 86535, 98073, 100980, 105765, 108970, 115380, 119867, 126918, 130764, 141020, 163455, 173070, 190377, 196146, 211530, 217940, 239734, 253836, 294219, 317295, 326910, 346140, 359601, 380754, 392292, 423060, 479468, 490365, 588438, 599335, 634590, 653820, 719202, 761508, 951885, 980730, 1078803, 1176876, 1198670, 1269180, 1438404, 1471095, 1798005, 1903770, 1961460, 2157606, 2397340, 2942190, 3236409, 3596010, 3807540, 4315212, 5394015, 5884380, 6472818, 7192020, 10788030, 12945636, 16182045, 21576060, 32364090, 64728180]

約数ペア:

[(1, 64728180), (2, 32364090), (3, 21576060), (4, 16182045), (5, 12945636), (6, 10788030), (9, 7192020), (10, 6472818), (11, 5884380), (12, 5394015), (15, 4315212), (17, 3807540), (18, 3596010), (20, 3236409), (22, 2942190), (27, 2397340), (30, 2157606), (33, 1961460), (34, 1903770), (36, 1798005), (44, 1471095), (45, 1438404), (51, 1269180), (54, 1198670), (55, 1176876), (60, 1078803), (66, 980730), (68, 951885), (85, 761508), (90, 719202), (99, 653820), (102, 634590), (108, 599335), (110, 588438), (132, 490365), (135, 479468), (153, 423060), (165, 392292), (170, 380754), (180, 359601), (187, 346140), (198, 326910), (204, 317295), (220, 294219), (255, 253836), (270, 239734), (297, 217940), (306, 211530), (330, 196146), (340, 190377), (374, 173070), (396, 163455), (459, 141020), (495, 130764), (510, 126918), (540, 119867), (561, 115380), (594, 108970), (612, 105765), (641, 100980), (660, 98073), (748, 86535), (765, 84612), (918, 70510), (935, 69228), (990, 65382), (1020, 63459), (1122, 57690), (1188, 54485), (1282, 50490), (1485, 43588), (1530, 42306), (1683, 38460), (1836, 35255), (1870, 34614), (1923, 33660), (1980, 32691), (2244, 28845), (2295, 28204), (2564, 25245), (2805, 23076), (2970, 21794), (3060, 21153), (3205, 20196), (3366, 19230), (3740, 17307), (3846, 16830), (4590, 14102), (5049, 12820), (5610, 11538), (5769, 11220), (5940, 10897), (6410, 10098), (6732, 9615), (7051, 9180), (7692, 8415)]