64983990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 165369600

約数和(自身を除く): 100385610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 173, 190, 285, 346, 519, 570, 659, 865, 1038, 1318, 1730, 1977, 2595, 3287, 3295, 3954, 5190, 6574, 6590, 9861, 9885, 12521, 16435, 19722, 19770, 25042, 32870, 37563, 49305, 62605, 75126, 98610, 114007, 125210, 187815, 228014, 342021, 375630, 570035, 684042, 1140070, 1710105, 2166133, 3420210, 4332266, 6498399, 10830665, 12996798, 21661330, 32491995, 64983990]

約数ペア:

[(1, 64983990), (2, 32491995), (3, 21661330), (5, 12996798), (6, 10830665), (10, 6498399), (15, 4332266), (19, 3420210), (30, 2166133), (38, 1710105), (57, 1140070), (95, 684042), (114, 570035), (173, 375630), (190, 342021), (285, 228014), (346, 187815), (519, 125210), (570, 114007), (659, 98610), (865, 75126), (1038, 62605), (1318, 49305), (1730, 37563), (1977, 32870), (2595, 25042), (3287, 19770), (3295, 19722), (3954, 16435), (5190, 12521), (6574, 9885), (6590, 9861)]