78451600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 203424480

約数和(自身を除く): 124972880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 83, 85, 100, 136, 139, 166, 170, 200, 272, 278, 332, 340, 400, 415, 425, 556, 664, 680, 695, 830, 850, 1112, 1328, 1360, 1390, 1411, 1660, 1700, 2075, 2224, 2363, 2780, 2822, 3320, 3400, 3475, 4150, 4726, 5560, 5644, 6640, 6800, 6950, 7055, 8300, 9452, 11120, 11288, 11537, 11815, 13900, 14110, 16600, 18904, 22576, 23074, 23630, 27800, 28220, 33200, 35275, 37808, 46148, 47260, 55600, 56440, 57685, 59075, 70550, 92296, 94520, 112880, 115370, 118150, 141100, 184592, 189040, 196129, 230740, 236300, 282200, 288425, 392258, 461480, 472600, 564400, 576850, 784516, 922960, 945200, 980645, 1153700, 1569032, 1961290, 2307400, 3138064, 3922580, 4614800, 4903225, 7845160, 9806450, 15690320, 19612900, 39225800, 78451600]

約数ペア:

[(1, 78451600), (2, 39225800), (4, 19612900), (5, 15690320), (8, 9806450), (10, 7845160), (16, 4903225), (17, 4614800), (20, 3922580), (25, 3138064), (34, 2307400), (40, 1961290), (50, 1569032), (68, 1153700), (80, 980645), (83, 945200), (85, 922960), (100, 784516), (136, 576850), (139, 564400), (166, 472600), (170, 461480), (200, 392258), (272, 288425), (278, 282200), (332, 236300), (340, 230740), (400, 196129), (415, 189040), (425, 184592), (556, 141100), (664, 118150), (680, 115370), (695, 112880), (830, 94520), (850, 92296), (1112, 70550), (1328, 59075), (1360, 57685), (1390, 56440), (1411, 55600), (1660, 47260), (1700, 46148), (2075, 37808), (2224, 35275), (2363, 33200), (2780, 28220), (2822, 27800), (3320, 23630), (3400, 23074), (3475, 22576), (4150, 18904), (4726, 16600), (5560, 14110), (5644, 13900), (6640, 11815), (6800, 11537), (6950, 11288), (7055, 11120), (8300, 9452)]