20730000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 100

約数和(自身を含む): 67016048

約数和(自身を除く): 46286048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 125, 150, 200, 240, 250, 300, 375, 400, 500, 600, 625, 691, 750, 1000, 1200, 1250, 1382, 1500, 1875, 2000, 2073, 2500, 2764, 3000, 3455, 3750, 4146, 5000, 5528, 6000, 6910, 7500, 8292, 10000, 10365, 11056, 13820, 15000, 16584, 17275, 20730, 27640, 30000, 33168, 34550, 41460, 51825, 55280, 69100, 82920, 86375, 103650, 138200, 165840, 172750, 207300, 259125, 276400, 345500, 414600, 431875, 518250, 691000, 829200, 863750, 1036500, 1295625, 1382000, 1727500, 2073000, 2591250, 3455000, 4146000, 5182500, 6910000, 10365000, 20730000]

約数ペア:

[(1, 20730000), (2, 10365000), (3, 6910000), (4, 5182500), (5, 4146000), (6, 3455000), (8, 2591250), (10, 2073000), (12, 1727500), (15, 1382000), (16, 1295625), (20, 1036500), (24, 863750), (25, 829200), (30, 691000), (40, 518250), (48, 431875), (50, 414600), (60, 345500), (75, 276400), (80, 259125), (100, 207300), (120, 172750), (125, 165840), (150, 138200), (200, 103650), (240, 86375), (250, 82920), (300, 69100), (375, 55280), (400, 51825), (500, 41460), (600, 34550), (625, 33168), (691, 30000), (750, 27640), (1000, 20730), (1200, 17275), (1250, 16584), (1382, 15000), (1500, 13820), (1875, 11056), (2000, 10365), (2073, 10000), (2500, 8292), (2764, 7500), (3000, 6910), (3455, 6000), (3750, 5528), (4146, 5000)]