641020020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1583}}^1$

素因数の和:2009

約数の個数: 96

約数和(自身を含む): 1906426368

約数和(自身を除く): 1265406348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 397, 510, 794, 1020, 1191, 1583, 1588, 1985, 2382, 3166, 3970, 4749, 4764, 5955, 6332, 6749, 7915, 7940, 9498, 11910, 13498, 15830, 18996, 20247, 23745, 23820, 26911, 26996, 31660, 33745, 40494, 47490, 53822, 67490, 80733, 80988, 94980, 101235, 107644, 134555, 134980, 161466, 202470, 269110, 322932, 403665, 404940, 538220, 628451, 807330, 1256902, 1614660, 1885353, 2513804, 3142255, 3770706, 6284510, 7541412, 9426765, 10683667, 12569020, 18853530, 21367334, 32051001, 37707060, 42734668, 53418335, 64102002, 106836670, 128204004, 160255005, 213673340, 320510010, 641020020]

約数ペア:

[(1, 641020020), (2, 320510010), (3, 213673340), (4, 160255005), (5, 128204004), (6, 106836670), (10, 64102002), (12, 53418335), (15, 42734668), (17, 37707060), (20, 32051001), (30, 21367334), (34, 18853530), (51, 12569020), (60, 10683667), (68, 9426765), (85, 7541412), (102, 6284510), (170, 3770706), (204, 3142255), (255, 2513804), (340, 1885353), (397, 1614660), (510, 1256902), (794, 807330), (1020, 628451), (1191, 538220), (1583, 404940), (1588, 403665), (1985, 322932), (2382, 269110), (3166, 202470), (3970, 161466), (4749, 134980), (4764, 134555), (5955, 107644), (6332, 101235), (6749, 94980), (7915, 80988), (7940, 80733), (9498, 67490), (11910, 53822), (13498, 47490), (15830, 40494), (18996, 33745), (20247, 31660), (23745, 26996), (23820, 26911)]