138287960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1928

約数の個数: 64

約数和(自身を含む): 328769280

約数和(自身を除く): 190481320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 920, 1660, 1811, 1909, 3320, 3622, 3818, 7244, 7636, 9055, 9545, 14488, 15272, 18110, 19090, 36220, 38180, 41653, 72440, 76360, 83306, 150313, 166612, 208265, 300626, 333224, 416530, 601252, 751565, 833060, 1202504, 1503130, 1666120, 3006260, 3457199, 6012520, 6914398, 13828796, 17285995, 27657592, 34571990, 69143980, 138287960]

約数ペア:

[(1, 138287960), (2, 69143980), (4, 34571990), (5, 27657592), (8, 17285995), (10, 13828796), (20, 6914398), (23, 6012520), (40, 3457199), (46, 3006260), (83, 1666120), (92, 1503130), (115, 1202504), (166, 833060), (184, 751565), (230, 601252), (332, 416530), (415, 333224), (460, 300626), (664, 208265), (830, 166612), (920, 150313), (1660, 83306), (1811, 76360), (1909, 72440), (3320, 41653), (3622, 38180), (3818, 36220), (7244, 19090), (7636, 18110), (9055, 15272), (9545, 14488)]