15381900

素因数分解:

$2^2\times 3^6\times 5^2\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 126

約数和(自身を含む): 50282372

約数和(自身を除く): 34900472

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 211, 225, 243, 270, 300, 324, 405, 422, 450, 486, 540, 633, 675, 729, 810, 844, 900, 972, 1055, 1215, 1266, 1350, 1458, 1620, 1899, 2025, 2110, 2430, 2532, 2700, 2916, 3165, 3645, 3798, 4050, 4220, 4860, 5275, 5697, 6075, 6330, 7290, 7596, 8100, 9495, 10550, 11394, 12150, 12660, 14580, 15825, 17091, 18225, 18990, 21100, 22788, 24300, 28485, 31650, 34182, 36450, 37980, 47475, 51273, 56970, 63300, 68364, 72900, 85455, 94950, 102546, 113940, 142425, 153819, 170910, 189900, 205092, 256365, 284850, 307638, 341820, 427275, 512730, 569700, 615276, 769095, 854550, 1025460, 1281825, 1538190, 1709100, 2563650, 3076380, 3845475, 5127300, 7690950, 15381900]

約数ペア:

[(1, 15381900), (2, 7690950), (3, 5127300), (4, 3845475), (5, 3076380), (6, 2563650), (9, 1709100), (10, 1538190), (12, 1281825), (15, 1025460), (18, 854550), (20, 769095), (25, 615276), (27, 569700), (30, 512730), (36, 427275), (45, 341820), (50, 307638), (54, 284850), (60, 256365), (75, 205092), (81, 189900), (90, 170910), (100, 153819), (108, 142425), (135, 113940), (150, 102546), (162, 94950), (180, 85455), (211, 72900), (225, 68364), (243, 63300), (270, 56970), (300, 51273), (324, 47475), (405, 37980), (422, 36450), (450, 34182), (486, 31650), (540, 28485), (633, 24300), (675, 22788), (729, 21100), (810, 18990), (844, 18225), (900, 17091), (972, 15825), (1055, 14580), (1215, 12660), (1266, 12150), (1350, 11394), (1458, 10550), (1620, 9495), (1899, 8100), (2025, 7596), (2110, 7290), (2430, 6330), (2532, 6075), (2700, 5697), (2916, 5275), (3165, 4860), (3645, 4220), (3798, 4050)]