1816995120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{69457}}^1$

素因数の和:69582

約数の個数: 80

約数和(自身を含む): 5684442720

約数和(自身を除く): 3867447600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 26160, 69457, 138914, 208371, 277828, 347285, 416742, 555656, 694570, 833484, 1041855, 1111312, 1389140, 1666968, 2083710, 2778280, 3333936, 4167420, 5556560, 7570813, 8334840, 15141626, 16669680, 22712439, 30283252, 37854065, 45424878, 60566504, 75708130, 90849756, 113562195, 121133008, 151416260, 181699512, 227124390, 302832520, 363399024, 454248780, 605665040, 908497560, 1816995120]

約数ペア:

[(1, 1816995120), (2, 908497560), (3, 605665040), (4, 454248780), (5, 363399024), (6, 302832520), (8, 227124390), (10, 181699512), (12, 151416260), (15, 121133008), (16, 113562195), (20, 90849756), (24, 75708130), (30, 60566504), (40, 45424878), (48, 37854065), (60, 30283252), (80, 22712439), (109, 16669680), (120, 15141626), (218, 8334840), (240, 7570813), (327, 5556560), (436, 4167420), (545, 3333936), (654, 2778280), (872, 2083710), (1090, 1666968), (1308, 1389140), (1635, 1111312), (1744, 1041855), (2180, 833484), (2616, 694570), (3270, 555656), (4360, 416742), (5232, 347285), (6540, 277828), (8720, 208371), (13080, 138914), (26160, 69457)]