30018400

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 74057760

約数和(自身を除く): 44039360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 239, 314, 400, 478, 628, 785, 800, 956, 1195, 1256, 1570, 1912, 2390, 2512, 3140, 3824, 3925, 4780, 5024, 5975, 6280, 7648, 7850, 9560, 11950, 12560, 15700, 19120, 23900, 25120, 31400, 37523, 38240, 47800, 62800, 75046, 95600, 125600, 150092, 187615, 191200, 300184, 375230, 600368, 750460, 938075, 1200736, 1500920, 1876150, 3001840, 3752300, 6003680, 7504600, 15009200, 30018400]

約数ペア:

[(1, 30018400), (2, 15009200), (4, 7504600), (5, 6003680), (8, 3752300), (10, 3001840), (16, 1876150), (20, 1500920), (25, 1200736), (32, 938075), (40, 750460), (50, 600368), (80, 375230), (100, 300184), (157, 191200), (160, 187615), (200, 150092), (239, 125600), (314, 95600), (400, 75046), (478, 62800), (628, 47800), (785, 38240), (800, 37523), (956, 31400), (1195, 25120), (1256, 23900), (1570, 19120), (1912, 15700), (2390, 12560), (2512, 11950), (3140, 9560), (3824, 7850), (3925, 7648), (4780, 6280), (5024, 5975)]