181008180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 586731600

約数和(自身を除く): 405723420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 149, 153, 170, 180, 204, 255, 298, 306, 340, 397, 447, 510, 596, 612, 745, 765, 794, 894, 1020, 1191, 1341, 1490, 1530, 1588, 1788, 1985, 2235, 2382, 2533, 2682, 2980, 3060, 3573, 3970, 4470, 4764, 5066, 5364, 5955, 6705, 6749, 7146, 7599, 7940, 8940, 10132, 11910, 12665, 13410, 13498, 14292, 15198, 17865, 20247, 22797, 23820, 25330, 26820, 26996, 30396, 33745, 35730, 37995, 40494, 45594, 50660, 59153, 60741, 67490, 71460, 75990, 80988, 91188, 101235, 113985, 118306, 121482, 134980, 151980, 177459, 202470, 227970, 236612, 242964, 295765, 303705, 354918, 404940, 455940, 532377, 591530, 607410, 709836, 887295, 1005601, 1064754, 1183060, 1214820, 1774590, 2011202, 2129508, 2661885, 3016803, 3549180, 4022404, 5028005, 5323770, 6033606, 9050409, 10056010, 10647540, 12067212, 15084015, 18100818, 20112020, 30168030, 36201636, 45252045, 60336060, 90504090, 181008180]

約数ペア:

[(1, 181008180), (2, 90504090), (3, 60336060), (4, 45252045), (5, 36201636), (6, 30168030), (9, 20112020), (10, 18100818), (12, 15084015), (15, 12067212), (17, 10647540), (18, 10056010), (20, 9050409), (30, 6033606), (34, 5323770), (36, 5028005), (45, 4022404), (51, 3549180), (60, 3016803), (68, 2661885), (85, 2129508), (90, 2011202), (102, 1774590), (149, 1214820), (153, 1183060), (170, 1064754), (180, 1005601), (204, 887295), (255, 709836), (298, 607410), (306, 591530), (340, 532377), (397, 455940), (447, 404940), (510, 354918), (596, 303705), (612, 295765), (745, 242964), (765, 236612), (794, 227970), (894, 202470), (1020, 177459), (1191, 151980), (1341, 134980), (1490, 121482), (1530, 118306), (1588, 113985), (1788, 101235), (1985, 91188), (2235, 80988), (2382, 75990), (2533, 71460), (2682, 67490), (2980, 60741), (3060, 59153), (3573, 50660), (3970, 45594), (4470, 40494), (4764, 37995), (5066, 35730), (5364, 33745), (5955, 30396), (6705, 26996), (6749, 26820), (7146, 25330), (7599, 23820), (7940, 22797), (8940, 20247), (10132, 17865), (11910, 15198), (12665, 14292), (13410, 13498)]