72678780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2029}}^1$

素因数の和:2243

約数の個数: 72

約数和(自身を含む): 221676000

約数和(自身を除く): 148997220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2029, 2388, 2985, 3582, 3980, 4058, 5970, 6087, 7164, 8116, 8955, 10145, 11940, 12174, 17910, 18261, 20290, 24348, 30435, 35820, 36522, 40580, 60870, 73044, 91305, 121740, 182610, 365220, 403771, 807542, 1211313, 1615084, 2018855, 2422626, 3633939, 4037710, 4845252, 6056565, 7267878, 8075420, 12113130, 14535756, 18169695, 24226260, 36339390, 72678780]

約数ペア:

[(1, 72678780), (2, 36339390), (3, 24226260), (4, 18169695), (5, 14535756), (6, 12113130), (9, 8075420), (10, 7267878), (12, 6056565), (15, 4845252), (18, 4037710), (20, 3633939), (30, 2422626), (36, 2018855), (45, 1615084), (60, 1211313), (90, 807542), (180, 403771), (199, 365220), (398, 182610), (597, 121740), (796, 91305), (995, 73044), (1194, 60870), (1791, 40580), (1990, 36522), (2029, 35820), (2388, 30435), (2985, 24348), (3582, 20290), (3980, 18261), (4058, 17910), (5970, 12174), (6087, 11940), (7164, 10145), (8116, 8955)]