128270080

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4401

約数の個数: 72

約数和(自身を含む): 320679072

約数和(自身を除く): 192408992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 4357, 5888, 7360, 8714, 14720, 17428, 21785, 29440, 34856, 43570, 69712, 87140, 100211, 139424, 174280, 200422, 278848, 348560, 400844, 501055, 557696, 697120, 801688, 1002110, 1115392, 1394240, 1603376, 2004220, 2788480, 3206752, 4008440, 5576960, 6413504, 8016880, 12827008, 16033760, 25654016, 32067520, 64135040, 128270080]

約数ペア:

[(1, 128270080), (2, 64135040), (4, 32067520), (5, 25654016), (8, 16033760), (10, 12827008), (16, 8016880), (20, 6413504), (23, 5576960), (32, 4008440), (40, 3206752), (46, 2788480), (64, 2004220), (80, 1603376), (92, 1394240), (115, 1115392), (128, 1002110), (160, 801688), (184, 697120), (230, 557696), (256, 501055), (320, 400844), (368, 348560), (460, 278848), (640, 200422), (736, 174280), (920, 139424), (1280, 100211), (1472, 87140), (1840, 69712), (2944, 43570), (3680, 34856), (4357, 29440), (5888, 21785), (7360, 17428), (8714, 14720)]