71720960

素因数分解:

$2^{13}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:151

約数の個数: 112

約数和(自身を含む): 184013856

約数和(自身を除く): 112292896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 128, 136, 160, 170, 206, 256, 272, 320, 340, 412, 512, 515, 544, 640, 680, 824, 1024, 1030, 1088, 1280, 1360, 1648, 1751, 2048, 2060, 2176, 2560, 2720, 3296, 3502, 4096, 4120, 4352, 5120, 5440, 6592, 7004, 8192, 8240, 8704, 8755, 10240, 10880, 13184, 14008, 16480, 17408, 17510, 20480, 21760, 26368, 28016, 32960, 34816, 35020, 40960, 43520, 52736, 56032, 65920, 69632, 70040, 87040, 105472, 112064, 131840, 139264, 140080, 174080, 210944, 224128, 263680, 280160, 348160, 421888, 448256, 527360, 560320, 696320, 843776, 896512, 1054720, 1120640, 1793024, 2109440, 2241280, 3586048, 4218880, 4482560, 7172096, 8965120, 14344192, 17930240, 35860480, 71720960]

約数ペア:

[(1, 71720960), (2, 35860480), (4, 17930240), (5, 14344192), (8, 8965120), (10, 7172096), (16, 4482560), (17, 4218880), (20, 3586048), (32, 2241280), (34, 2109440), (40, 1793024), (64, 1120640), (68, 1054720), (80, 896512), (85, 843776), (103, 696320), (128, 560320), (136, 527360), (160, 448256), (170, 421888), (206, 348160), (256, 280160), (272, 263680), (320, 224128), (340, 210944), (412, 174080), (512, 140080), (515, 139264), (544, 131840), (640, 112064), (680, 105472), (824, 87040), (1024, 70040), (1030, 69632), (1088, 65920), (1280, 56032), (1360, 52736), (1648, 43520), (1751, 40960), (2048, 35020), (2060, 34816), (2176, 32960), (2560, 28016), (2720, 26368), (3296, 21760), (3502, 20480), (4096, 17510), (4120, 17408), (4352, 16480), (5120, 14008), (5440, 13184), (6592, 10880), (7004, 10240), (8192, 8755), (8240, 8704)]