265108720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:770

約数の個数: 80

約数和(自身を含む): 641700000

約数和(自身を除く): 376591280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 229, 232, 290, 458, 464, 499, 580, 916, 998, 1145, 1160, 1832, 1996, 2290, 2320, 2495, 3664, 3992, 4580, 4990, 6641, 7984, 9160, 9980, 13282, 14471, 18320, 19960, 26564, 28942, 33205, 39920, 53128, 57884, 66410, 72355, 106256, 114271, 115768, 132820, 144710, 228542, 231536, 265640, 289420, 457084, 531280, 571355, 578840, 914168, 1142710, 1157680, 1828336, 2285420, 3313859, 4570840, 6627718, 9141680, 13255436, 16569295, 26510872, 33138590, 53021744, 66277180, 132554360, 265108720]

約数ペア:

[(1, 265108720), (2, 132554360), (4, 66277180), (5, 53021744), (8, 33138590), (10, 26510872), (16, 16569295), (20, 13255436), (29, 9141680), (40, 6627718), (58, 4570840), (80, 3313859), (116, 2285420), (145, 1828336), (229, 1157680), (232, 1142710), (290, 914168), (458, 578840), (464, 571355), (499, 531280), (580, 457084), (916, 289420), (998, 265640), (1145, 231536), (1160, 228542), (1832, 144710), (1996, 132820), (2290, 115768), (2320, 114271), (2495, 106256), (3664, 72355), (3992, 66410), (4580, 57884), (4990, 53128), (6641, 39920), (7984, 33205), (9160, 28942), (9980, 26564), (13282, 19960), (14471, 18320)]