89820180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 291891600

約数和(自身を除く): 202071420

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, 197, 204, 255, 298, 306, 340, 394, 447, 510, 591, 596, 612, 745, 765, 788, 894, 985, 1020, 1182, 1341, 1490, 1530, 1773, 1788, 1970, 2235, 2364, 2533, 2682, 2955, 2980, 3060, 3349, 3546, 3940, 4470, 5066, 5364, 5910, 6698, 6705, 7092, 7599, 8865, 8940, 10047, 10132, 11820, 12665, 13396, 13410, 15198, 16745, 17730, 20094, 22797, 25330, 26820, 29353, 30141, 30396, 33490, 35460, 37995, 40188, 45594, 50235, 50660, 58706, 60282, 66980, 75990, 88059, 91188, 100470, 113985, 117412, 120564, 146765, 150705, 151980, 176118, 200940, 227970, 264177, 293530, 301410, 352236, 440295, 455940, 499001, 528354, 587060, 602820, 880590, 998002, 1056708, 1320885, 1497003, 1761180, 1996004, 2495005, 2641770, 2994006, 4491009, 4990010, 5283540, 5988012, 7485015, 8982018, 9980020, 14970030, 17964036, 22455045, 29940060, 44910090, 89820180]

約数ペア:

[(1, 89820180), (2, 44910090), (3, 29940060), (4, 22455045), (5, 17964036), (6, 14970030), (9, 9980020), (10, 8982018), (12, 7485015), (15, 5988012), (17, 5283540), (18, 4990010), (20, 4491009), (30, 2994006), (34, 2641770), (36, 2495005), (45, 1996004), (51, 1761180), (60, 1497003), (68, 1320885), (85, 1056708), (90, 998002), (102, 880590), (149, 602820), (153, 587060), (170, 528354), (180, 499001), (197, 455940), (204, 440295), (255, 352236), (298, 301410), (306, 293530), (340, 264177), (394, 227970), (447, 200940), (510, 176118), (591, 151980), (596, 150705), (612, 146765), (745, 120564), (765, 117412), (788, 113985), (894, 100470), (985, 91188), (1020, 88059), (1182, 75990), (1341, 66980), (1490, 60282), (1530, 58706), (1773, 50660), (1788, 50235), (1970, 45594), (2235, 40188), (2364, 37995), (2533, 35460), (2682, 33490), (2955, 30396), (2980, 30141), (3060, 29353), (3349, 26820), (3546, 25330), (3940, 22797), (4470, 20094), (5066, 17730), (5364, 16745), (5910, 15198), (6698, 13410), (6705, 13396), (7092, 12665), (7599, 11820), (8865, 10132), (8940, 10047)]