259118720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{57839}}^1$

素因数の和:57865

約数の個数: 64

約数和(自身を含む): 707961600

約数和(自身を除く): 448842880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 57839, 115678, 231356, 289195, 404873, 462712, 578390, 809746, 925424, 1156780, 1619492, 1850848, 2024365, 2313560, 3238984, 3701696, 4048730, 4627120, 6477968, 7403392, 8097460, 9254240, 12955936, 16194920, 18508480, 25911872, 32389840, 37016960, 51823744, 64779680, 129559360, 259118720]

約数ペア:

[(1, 259118720), (2, 129559360), (4, 64779680), (5, 51823744), (7, 37016960), (8, 32389840), (10, 25911872), (14, 18508480), (16, 16194920), (20, 12955936), (28, 9254240), (32, 8097460), (35, 7403392), (40, 6477968), (56, 4627120), (64, 4048730), (70, 3701696), (80, 3238984), (112, 2313560), (128, 2024365), (140, 1850848), (160, 1619492), (224, 1156780), (280, 925424), (320, 809746), (448, 578390), (560, 462712), (640, 404873), (896, 289195), (1120, 231356), (2240, 115678), (4480, 57839)]