288967120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8963}}^1$

素因数の和:9020

約数の個数: 80

約数和(自身を含む): 746952192

約数和(自身を除く): 457985072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8963, 16120, 17926, 32240, 35852, 44815, 71704, 89630, 116519, 143408, 179260, 233038, 277853, 358520, 466076, 555706, 582595, 717040, 932152, 1111412, 1165190, 1389265, 1864304, 2222824, 2330380, 2778530, 3612089, 4445648, 4660760, 5557060, 7224178, 9321520, 11114120, 14448356, 18060445, 22228240, 28896712, 36120890, 57793424, 72241780, 144483560, 288967120]

約数ペア:

[(1, 288967120), (2, 144483560), (4, 72241780), (5, 57793424), (8, 36120890), (10, 28896712), (13, 22228240), (16, 18060445), (20, 14448356), (26, 11114120), (31, 9321520), (40, 7224178), (52, 5557060), (62, 4660760), (65, 4445648), (80, 3612089), (104, 2778530), (124, 2330380), (130, 2222824), (155, 1864304), (208, 1389265), (248, 1165190), (260, 1111412), (310, 932152), (403, 717040), (496, 582595), (520, 555706), (620, 466076), (806, 358520), (1040, 277853), (1240, 233038), (1612, 179260), (2015, 143408), (2480, 116519), (3224, 89630), (4030, 71704), (6448, 44815), (8060, 35852), (8963, 32240), (16120, 17926)]