1276804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{280001}}^1$

素因数の和:280036

約数の個数: 80

約数和(自身を含む): 4166429760

約数和(自身を除く): 2889625200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 280001, 560002, 840003, 1120004, 1400005, 1680006, 2240008, 2800010, 3360012, 4200015, 4480016, 5320019, 5600020, 6720024, 8400030, 10640038, 11200040, 13440048, 15960057, 16800060, 21280076, 22400080, 26600095, 31920114, 33600120, 42560152, 53200190, 63840228, 67200240, 79800285, 85120304, 106400380, 127680456, 159600570, 212800760, 255360912, 319201140, 425601520, 638402280, 1276804560]

約数ペア:

[(1, 1276804560), (2, 638402280), (3, 425601520), (4, 319201140), (5, 255360912), (6, 212800760), (8, 159600570), (10, 127680456), (12, 106400380), (15, 85120304), (16, 79800285), (19, 67200240), (20, 63840228), (24, 53200190), (30, 42560152), (38, 33600120), (40, 31920114), (48, 26600095), (57, 22400080), (60, 21280076), (76, 16800060), (80, 15960057), (95, 13440048), (114, 11200040), (120, 10640038), (152, 8400030), (190, 6720024), (228, 5600020), (240, 5320019), (285, 4480016), (304, 4200015), (380, 3360012), (456, 2800010), (570, 2240008), (760, 1680006), (912, 1400005), (1140, 1120004), (1520, 840003), (2280, 560002), (4560, 280001)]