2563650

素因数分解:

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

素因数の和:238

約数の個数: 72

約数和(自身を含む): 7176624

約数和(自身を除く): 4612974

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 211, 225, 243, 270, 405, 422, 450, 486, 633, 675, 810, 1055, 1215, 1266, 1350, 1899, 2025, 2110, 2430, 3165, 3798, 4050, 5275, 5697, 6075, 6330, 9495, 10550, 11394, 12150, 15825, 17091, 18990, 28485, 31650, 34182, 47475, 51273, 56970, 85455, 94950, 102546, 142425, 170910, 256365, 284850, 427275, 512730, 854550, 1281825, 2563650]

約数ペア:

[(1, 2563650), (2, 1281825), (3, 854550), (5, 512730), (6, 427275), (9, 284850), (10, 256365), (15, 170910), (18, 142425), (25, 102546), (27, 94950), (30, 85455), (45, 56970), (50, 51273), (54, 47475), (75, 34182), (81, 31650), (90, 28485), (135, 18990), (150, 17091), (162, 15825), (211, 12150), (225, 11394), (243, 10550), (270, 9495), (405, 6330), (422, 6075), (450, 5697), (486, 5275), (633, 4050), (675, 3798), (810, 3165), (1055, 2430), (1215, 2110), (1266, 2025), (1350, 1899)]