21527280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1079

約数の個数: 120

約数和(自身を含む): 74861280

約数和(自身を除く): 53334000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1031, 1044, 1160, 1305, 1392, 1740, 2062, 2088, 2320, 2610, 3093, 3480, 4124, 4176, 5155, 5220, 6186, 6960, 8248, 9279, 10310, 10440, 12372, 15465, 16496, 18558, 20620, 20880, 24744, 29899, 30930, 37116, 41240, 46395, 49488, 59798, 61860, 74232, 82480, 89697, 92790, 119596, 123720, 148464, 149495, 179394, 185580, 239192, 247440, 269091, 298990, 358788, 371160, 448485, 478384, 538182, 597980, 717576, 742320, 896970, 1076364, 1195960, 1345455, 1435152, 1793940, 2152728, 2391920, 2690910, 3587880, 4305456, 5381820, 7175760, 10763640, 21527280]

約数ペア:

[(1, 21527280), (2, 10763640), (3, 7175760), (4, 5381820), (5, 4305456), (6, 3587880), (8, 2690910), (9, 2391920), (10, 2152728), (12, 1793940), (15, 1435152), (16, 1345455), (18, 1195960), (20, 1076364), (24, 896970), (29, 742320), (30, 717576), (36, 597980), (40, 538182), (45, 478384), (48, 448485), (58, 371160), (60, 358788), (72, 298990), (80, 269091), (87, 247440), (90, 239192), (116, 185580), (120, 179394), (144, 149495), (145, 148464), (174, 123720), (180, 119596), (232, 92790), (240, 89697), (261, 82480), (290, 74232), (348, 61860), (360, 59798), (435, 49488), (464, 46395), (522, 41240), (580, 37116), (696, 30930), (720, 29899), (870, 24744), (1031, 20880), (1044, 20620), (1160, 18558), (1305, 16496), (1392, 15465), (1740, 12372), (2062, 10440), (2088, 10310), (2320, 9279), (2610, 8248), (3093, 6960), (3480, 6186), (4124, 5220), (4176, 5155)]