205013040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44959}}^1$

素因数の和:44994

約数の個数: 80

約数和(自身を含む): 669004800

約数和(自身を除く): 463991760

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, 44959, 89918, 134877, 179836, 224795, 269754, 359672, 449590, 539508, 674385, 719344, 854221, 899180, 1079016, 1348770, 1708442, 1798360, 2158032, 2562663, 2697540, 3416884, 3596720, 4271105, 5125326, 5395080, 6833768, 8542210, 10250652, 10790160, 12813315, 13667536, 17084420, 20501304, 25626630, 34168840, 41002608, 51253260, 68337680, 102506520, 205013040]

約数ペア:

[(1, 205013040), (2, 102506520), (3, 68337680), (4, 51253260), (5, 41002608), (6, 34168840), (8, 25626630), (10, 20501304), (12, 17084420), (15, 13667536), (16, 12813315), (19, 10790160), (20, 10250652), (24, 8542210), (30, 6833768), (38, 5395080), (40, 5125326), (48, 4271105), (57, 3596720), (60, 3416884), (76, 2697540), (80, 2562663), (95, 2158032), (114, 1798360), (120, 1708442), (152, 1348770), (190, 1079016), (228, 899180), (240, 854221), (285, 719344), (304, 674385), (380, 539508), (456, 449590), (570, 359672), (760, 269754), (912, 224795), (1140, 179836), (1520, 134877), (2280, 89918), (4560, 44959)]