280744785

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30139}}^1$

素因数の和:30179

約数の個数: 40

約数和(自身を含む): 525159360

約数和(自身を除く): 244414575

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 30139, 90417, 150695, 271251, 452085, 693197, 813753, 1356255, 2079591, 2441259, 3465985, 4068765, 6238773, 10397955, 12206295, 18716319, 31193865, 56148957, 93581595, 280744785]

約数ペア:

[(1, 280744785), (3, 93581595), (5, 56148957), (9, 31193865), (15, 18716319), (23, 12206295), (27, 10397955), (45, 6238773), (69, 4068765), (81, 3465985), (115, 2441259), (135, 2079591), (207, 1356255), (345, 813753), (405, 693197), (621, 452085), (1035, 271251), (1863, 150695), (3105, 90417), (9315, 30139)]