71317040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1350

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 108671440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1279, 1360, 1394, 1640, 2558, 2788, 3280, 3485, 5116, 5576, 6395, 6970, 10232, 11152, 12790, 13940, 20464, 21743, 25580, 27880, 43486, 51160, 52439, 55760, 86972, 102320, 104878, 108715, 173944, 209756, 217430, 262195, 347888, 419512, 434860, 524390, 839024, 869720, 891463, 1048780, 1739440, 1782926, 2097560, 3565852, 4195120, 4457315, 7131704, 8914630, 14263408, 17829260, 35658520, 71317040]

約数ペア:

[(1, 71317040), (2, 35658520), (4, 17829260), (5, 14263408), (8, 8914630), (10, 7131704), (16, 4457315), (17, 4195120), (20, 3565852), (34, 2097560), (40, 1782926), (41, 1739440), (68, 1048780), (80, 891463), (82, 869720), (85, 839024), (136, 524390), (164, 434860), (170, 419512), (205, 347888), (272, 262195), (328, 217430), (340, 209756), (410, 173944), (656, 108715), (680, 104878), (697, 102320), (820, 86972), (1279, 55760), (1360, 52439), (1394, 51160), (1640, 43486), (2558, 27880), (2788, 25580), (3280, 21743), (3485, 20464), (5116, 13940), (5576, 12790), (6395, 11152), (6970, 10232)]