79728640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:275

約数の個数: 104

約数和(自身を含む): 203464440

約数和(自身を除く): 123735800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 229, 256, 272, 320, 340, 458, 512, 544, 640, 680, 916, 1024, 1088, 1145, 1280, 1360, 1832, 2048, 2176, 2290, 2560, 2720, 3664, 3893, 4096, 4352, 4580, 5120, 5440, 7328, 7786, 8704, 9160, 10240, 10880, 14656, 15572, 17408, 18320, 19465, 20480, 21760, 29312, 31144, 34816, 36640, 38930, 43520, 58624, 62288, 69632, 73280, 77860, 87040, 117248, 124576, 146560, 155720, 174080, 234496, 249152, 293120, 311440, 348160, 468992, 498304, 586240, 622880, 937984, 996608, 1172480, 1245760, 1993216, 2344960, 2491520, 3986432, 4689920, 4983040, 7972864, 9966080, 15945728, 19932160, 39864320, 79728640]

約数ペア:

[(1, 79728640), (2, 39864320), (4, 19932160), (5, 15945728), (8, 9966080), (10, 7972864), (16, 4983040), (17, 4689920), (20, 3986432), (32, 2491520), (34, 2344960), (40, 1993216), (64, 1245760), (68, 1172480), (80, 996608), (85, 937984), (128, 622880), (136, 586240), (160, 498304), (170, 468992), (229, 348160), (256, 311440), (272, 293120), (320, 249152), (340, 234496), (458, 174080), (512, 155720), (544, 146560), (640, 124576), (680, 117248), (916, 87040), (1024, 77860), (1088, 73280), (1145, 69632), (1280, 62288), (1360, 58624), (1832, 43520), (2048, 38930), (2176, 36640), (2290, 34816), (2560, 31144), (2720, 29312), (3664, 21760), (3893, 20480), (4096, 19465), (4352, 18320), (4580, 17408), (5120, 15572), (5440, 14656), (7328, 10880), (7786, 10240), (8704, 9160)]