1686435920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{877}}^1$

素因数の和:989

約数の個数: 120

約数和(自身を含む): 4327988616

約数和(自身を除く): 2641552696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 877, 1040, 1118, 1720, 1754, 1849, 2236, 2795, 3440, 3508, 3698, 4385, 4472, 5590, 7016, 7396, 8770, 8944, 9245, 11180, 11401, 14032, 14792, 17540, 18490, 22360, 22802, 24037, 29584, 35080, 36980, 37711, 44720, 45604, 48074, 57005, 70160, 73960, 75422, 91208, 96148, 114010, 120185, 147920, 150844, 182416, 188555, 192296, 228020, 240370, 301688, 377110, 384592, 456040, 480740, 490243, 603376, 754220, 912080, 961480, 980486, 1508440, 1621573, 1922960, 1960972, 2451215, 3016880, 3243146, 3921944, 4902430, 6486292, 7843888, 8107865, 9804860, 12972584, 16215730, 19609720, 21080449, 25945168, 32431460, 39219440, 42160898, 64862920, 84321796, 105402245, 129725840, 168643592, 210804490, 337287184, 421608980, 843217960, 1686435920]

約数ペア:

[(1, 1686435920), (2, 843217960), (4, 421608980), (5, 337287184), (8, 210804490), (10, 168643592), (13, 129725840), (16, 105402245), (20, 84321796), (26, 64862920), (40, 42160898), (43, 39219440), (52, 32431460), (65, 25945168), (80, 21080449), (86, 19609720), (104, 16215730), (130, 12972584), (172, 9804860), (208, 8107865), (215, 7843888), (260, 6486292), (344, 4902430), (430, 3921944), (520, 3243146), (559, 3016880), (688, 2451215), (860, 1960972), (877, 1922960), (1040, 1621573), (1118, 1508440), (1720, 980486), (1754, 961480), (1849, 912080), (2236, 754220), (2795, 603376), (3440, 490243), (3508, 480740), (3698, 456040), (4385, 384592), (4472, 377110), (5590, 301688), (7016, 240370), (7396, 228020), (8770, 192296), (8944, 188555), (9245, 182416), (11180, 150844), (11401, 147920), (14032, 120185), (14792, 114010), (17540, 96148), (18490, 91208), (22360, 75422), (22802, 73960), (24037, 70160), (29584, 57005), (35080, 48074), (36980, 45604), (37711, 44720)]