128227760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 313479936

約数和(自身を除く): 185252176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 227, 230, 307, 368, 454, 460, 614, 908, 920, 1135, 1228, 1535, 1816, 1840, 2270, 2456, 3070, 3632, 4540, 4912, 5221, 6140, 7061, 9080, 10442, 12280, 14122, 18160, 20884, 24560, 26105, 28244, 35305, 41768, 52210, 56488, 69689, 70610, 83536, 104420, 112976, 139378, 141220, 208840, 278756, 282440, 348445, 417680, 557512, 564880, 696890, 1115024, 1393780, 1602847, 2787560, 3205694, 5575120, 6411388, 8014235, 12822776, 16028470, 25645552, 32056940, 64113880, 128227760]

約数ペア:

[(1, 128227760), (2, 64113880), (4, 32056940), (5, 25645552), (8, 16028470), (10, 12822776), (16, 8014235), (20, 6411388), (23, 5575120), (40, 3205694), (46, 2787560), (80, 1602847), (92, 1393780), (115, 1115024), (184, 696890), (227, 564880), (230, 557512), (307, 417680), (368, 348445), (454, 282440), (460, 278756), (614, 208840), (908, 141220), (920, 139378), (1135, 112976), (1228, 104420), (1535, 83536), (1816, 70610), (1840, 69689), (2270, 56488), (2456, 52210), (3070, 41768), (3632, 35305), (4540, 28244), (4912, 26105), (5221, 24560), (6140, 20884), (7061, 18160), (9080, 14122), (10442, 12280)]