80503440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{659}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 250430400

約数和(自身を除く): 169926960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 509, 659, 1018, 1318, 1527, 1977, 2036, 2545, 2636, 3054, 3295, 3954, 4072, 5090, 5272, 6108, 6590, 7635, 7908, 8144, 9885, 10180, 10544, 12216, 13180, 15270, 15816, 19770, 20360, 24432, 26360, 30540, 31632, 39540, 40720, 52720, 61080, 79080, 122160, 158160, 335431, 670862, 1006293, 1341724, 1677155, 2012586, 2683448, 3354310, 4025172, 5031465, 5366896, 6708620, 8050344, 10062930, 13417240, 16100688, 20125860, 26834480, 40251720, 80503440]

約数ペア:

[(1, 80503440), (2, 40251720), (3, 26834480), (4, 20125860), (5, 16100688), (6, 13417240), (8, 10062930), (10, 8050344), (12, 6708620), (15, 5366896), (16, 5031465), (20, 4025172), (24, 3354310), (30, 2683448), (40, 2012586), (48, 1677155), (60, 1341724), (80, 1006293), (120, 670862), (240, 335431), (509, 158160), (659, 122160), (1018, 79080), (1318, 61080), (1527, 52720), (1977, 40720), (2036, 39540), (2545, 31632), (2636, 30540), (3054, 26360), (3295, 24432), (3954, 20360), (4072, 19770), (5090, 15816), (5272, 15270), (6108, 13180), (6590, 12216), (7635, 10544), (7908, 10180), (8144, 9885)]