66400800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 144

約数和(自身を含む): 219673440

約数和(自身を除く): 153272640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 73, 75, 80, 96, 100, 120, 146, 150, 160, 200, 219, 240, 292, 300, 365, 379, 400, 438, 480, 584, 600, 730, 758, 800, 876, 1095, 1137, 1168, 1200, 1460, 1516, 1752, 1825, 1895, 2190, 2274, 2336, 2400, 2920, 3032, 3504, 3650, 3790, 4380, 4548, 5475, 5685, 5840, 6064, 7008, 7300, 7580, 8760, 9096, 9475, 10950, 11370, 11680, 12128, 14600, 15160, 17520, 18192, 18950, 21900, 22740, 27667, 28425, 29200, 30320, 35040, 36384, 37900, 43800, 45480, 55334, 56850, 58400, 60640, 75800, 83001, 87600, 90960, 110668, 113700, 138335, 151600, 166002, 175200, 181920, 221336, 227400, 276670, 303200, 332004, 415005, 442672, 454800, 553340, 664008, 691675, 830010, 885344, 909600, 1106680, 1328016, 1383350, 1660020, 2075025, 2213360, 2656032, 2766700, 3320040, 4150050, 4426720, 5533400, 6640080, 8300100, 11066800, 13280160, 16600200, 22133600, 33200400, 66400800]

約数ペア:

[(1, 66400800), (2, 33200400), (3, 22133600), (4, 16600200), (5, 13280160), (6, 11066800), (8, 8300100), (10, 6640080), (12, 5533400), (15, 4426720), (16, 4150050), (20, 3320040), (24, 2766700), (25, 2656032), (30, 2213360), (32, 2075025), (40, 1660020), (48, 1383350), (50, 1328016), (60, 1106680), (73, 909600), (75, 885344), (80, 830010), (96, 691675), (100, 664008), (120, 553340), (146, 454800), (150, 442672), (160, 415005), (200, 332004), (219, 303200), (240, 276670), (292, 227400), (300, 221336), (365, 181920), (379, 175200), (400, 166002), (438, 151600), (480, 138335), (584, 113700), (600, 110668), (730, 90960), (758, 87600), (800, 83001), (876, 75800), (1095, 60640), (1137, 58400), (1168, 56850), (1200, 55334), (1460, 45480), (1516, 43800), (1752, 37900), (1825, 36384), (1895, 35040), (2190, 30320), (2274, 29200), (2336, 28425), (2400, 27667), (2920, 22740), (3032, 21900), (3504, 18950), (3650, 18192), (3790, 17520), (4380, 15160), (4548, 14600), (5475, 12128), (5685, 11680), (5840, 11370), (6064, 10950), (7008, 9475), (7300, 9096), (7580, 8760)]