256770160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2633}}^1$

素因数の和:2722

約数の個数: 80

約数和(自身を含む): 634941504

約数和(自身を除く): 378171344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 53, 80, 92, 106, 115, 184, 212, 230, 265, 368, 424, 460, 530, 848, 920, 1060, 1219, 1840, 2120, 2438, 2633, 4240, 4876, 5266, 6095, 9752, 10532, 12190, 13165, 19504, 21064, 24380, 26330, 42128, 48760, 52660, 60559, 97520, 105320, 121118, 139549, 210640, 242236, 279098, 302795, 484472, 558196, 605590, 697745, 968944, 1116392, 1211180, 1395490, 2232784, 2422360, 2790980, 3209627, 4844720, 5581960, 6419254, 11163920, 12838508, 16048135, 25677016, 32096270, 51354032, 64192540, 128385080, 256770160]

約数ペア:

[(1, 256770160), (2, 128385080), (4, 64192540), (5, 51354032), (8, 32096270), (10, 25677016), (16, 16048135), (20, 12838508), (23, 11163920), (40, 6419254), (46, 5581960), (53, 4844720), (80, 3209627), (92, 2790980), (106, 2422360), (115, 2232784), (184, 1395490), (212, 1211180), (230, 1116392), (265, 968944), (368, 697745), (424, 605590), (460, 558196), (530, 484472), (848, 302795), (920, 279098), (1060, 242236), (1219, 210640), (1840, 139549), (2120, 121118), (2438, 105320), (2633, 97520), (4240, 60559), (4876, 52660), (5266, 48760), (6095, 42128), (9752, 26330), (10532, 24380), (12190, 21064), (13165, 19504)]