2915674640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{27017}}^1$

素因数の和:27120

約数の個数: 80

約数和(自身を含む): 7236501120

約数和(自身を除く): 4320826480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 1136, 1349, 1420, 1520, 2698, 2840, 5396, 5680, 6745, 10792, 13490, 21584, 26980, 27017, 53960, 54034, 107920, 108068, 135085, 216136, 270170, 432272, 513323, 540340, 1026646, 1080680, 1918207, 2053292, 2161360, 2566615, 3836414, 4106584, 5133230, 7672828, 8213168, 9591035, 10266460, 15345656, 19182070, 20532920, 30691312, 36445933, 38364140, 41065840, 72891866, 76728280, 145783732, 153456560, 182229665, 291567464, 364459330, 583134928, 728918660, 1457837320, 2915674640]

約数ペア:

[(1, 2915674640), (2, 1457837320), (4, 728918660), (5, 583134928), (8, 364459330), (10, 291567464), (16, 182229665), (19, 153456560), (20, 145783732), (38, 76728280), (40, 72891866), (71, 41065840), (76, 38364140), (80, 36445933), (95, 30691312), (142, 20532920), (152, 19182070), (190, 15345656), (284, 10266460), (304, 9591035), (355, 8213168), (380, 7672828), (568, 5133230), (710, 4106584), (760, 3836414), (1136, 2566615), (1349, 2161360), (1420, 2053292), (1520, 1918207), (2698, 1080680), (2840, 1026646), (5396, 540340), (5680, 513323), (6745, 432272), (10792, 270170), (13490, 216136), (21584, 135085), (26980, 108068), (27017, 107920), (53960, 54034)]