77720940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2309}}^1$

素因数の和:2352

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 194711220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 132, 153, 165, 170, 180, 187, 198, 204, 220, 255, 306, 330, 340, 374, 396, 495, 510, 561, 612, 660, 748, 765, 935, 990, 1020, 1122, 1530, 1683, 1870, 1980, 2244, 2309, 2805, 3060, 3366, 3740, 4618, 5610, 6732, 6927, 8415, 9236, 11220, 11545, 13854, 16830, 20781, 23090, 25399, 27708, 33660, 34635, 39253, 41562, 46180, 50798, 69270, 76197, 78506, 83124, 101596, 103905, 117759, 126995, 138540, 152394, 157012, 196265, 207810, 228591, 235518, 253990, 304788, 353277, 380985, 392530, 415620, 431783, 457182, 471036, 507980, 588795, 706554, 761970, 785060, 863566, 914364, 1142955, 1177590, 1295349, 1413108, 1523940, 1727132, 1766385, 2158915, 2285910, 2355180, 2590698, 3532770, 3886047, 4317830, 4571820, 5181396, 6476745, 7065540, 7772094, 8635660, 12953490, 15544188, 19430235, 25906980, 38860470, 77720940]

約数ペア:

[(1, 77720940), (2, 38860470), (3, 25906980), (4, 19430235), (5, 15544188), (6, 12953490), (9, 8635660), (10, 7772094), (11, 7065540), (12, 6476745), (15, 5181396), (17, 4571820), (18, 4317830), (20, 3886047), (22, 3532770), (30, 2590698), (33, 2355180), (34, 2285910), (36, 2158915), (44, 1766385), (45, 1727132), (51, 1523940), (55, 1413108), (60, 1295349), (66, 1177590), (68, 1142955), (85, 914364), (90, 863566), (99, 785060), (102, 761970), (110, 706554), (132, 588795), (153, 507980), (165, 471036), (170, 457182), (180, 431783), (187, 415620), (198, 392530), (204, 380985), (220, 353277), (255, 304788), (306, 253990), (330, 235518), (340, 228591), (374, 207810), (396, 196265), (495, 157012), (510, 152394), (561, 138540), (612, 126995), (660, 117759), (748, 103905), (765, 101596), (935, 83124), (990, 78506), (1020, 76197), (1122, 69270), (1530, 50798), (1683, 46180), (1870, 41562), (1980, 39253), (2244, 34635), (2309, 33660), (2805, 27708), (3060, 25399), (3366, 23090), (3740, 20781), (4618, 16830), (5610, 13854), (6732, 11545), (6927, 11220), (8415, 9236)]