21690000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{241}}^1$

素因数の和:275

約数の個数: 150

約数和(自身を含む): 76167806

約数和(自身を除く): 54477806

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 241, 250, 300, 360, 375, 400, 450, 482, 500, 600, 625, 720, 723, 750, 900, 964, 1000, 1125, 1200, 1205, 1250, 1446, 1500, 1800, 1875, 1928, 2000, 2169, 2250, 2410, 2500, 2892, 3000, 3600, 3615, 3750, 3856, 4338, 4500, 4820, 5000, 5625, 5784, 6000, 6025, 7230, 7500, 8676, 9000, 9640, 10000, 10845, 11250, 11568, 12050, 14460, 15000, 17352, 18000, 18075, 19280, 21690, 22500, 24100, 28920, 30000, 30125, 34704, 36150, 43380, 45000, 48200, 54225, 57840, 60250, 72300, 86760, 90000, 90375, 96400, 108450, 120500, 144600, 150625, 173520, 180750, 216900, 241000, 271125, 289200, 301250, 361500, 433800, 451875, 482000, 542250, 602500, 723000, 867600, 903750, 1084500, 1205000, 1355625, 1446000, 1807500, 2169000, 2410000, 2711250, 3615000, 4338000, 5422500, 7230000, 10845000, 21690000]

約数ペア:

[(1, 21690000), (2, 10845000), (3, 7230000), (4, 5422500), (5, 4338000), (6, 3615000), (8, 2711250), (9, 2410000), (10, 2169000), (12, 1807500), (15, 1446000), (16, 1355625), (18, 1205000), (20, 1084500), (24, 903750), (25, 867600), (30, 723000), (36, 602500), (40, 542250), (45, 482000), (48, 451875), (50, 433800), (60, 361500), (72, 301250), (75, 289200), (80, 271125), (90, 241000), (100, 216900), (120, 180750), (125, 173520), (144, 150625), (150, 144600), (180, 120500), (200, 108450), (225, 96400), (240, 90375), (241, 90000), (250, 86760), (300, 72300), (360, 60250), (375, 57840), (400, 54225), (450, 48200), (482, 45000), (500, 43380), (600, 36150), (625, 34704), (720, 30125), (723, 30000), (750, 28920), (900, 24100), (964, 22500), (1000, 21690), (1125, 19280), (1200, 18075), (1205, 18000), (1250, 17352), (1446, 15000), (1500, 14460), (1800, 12050), (1875, 11568), (1928, 11250), (2000, 10845), (2169, 10000), (2250, 9640), (2410, 9000), (2500, 8676), (2892, 7500), (3000, 7230), (3600, 6025), (3615, 6000), (3750, 5784), (3856, 5625), (4338, 5000), (4500, 4820)]