19950720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10391}}^1$

素因数の和:10413

約数の個数: 64

約数和(自身を含む): 63599040

約数和(自身を除く): 43648320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10391, 20782, 31173, 41564, 51955, 62346, 83128, 103910, 124692, 155865, 166256, 207820, 249384, 311730, 332512, 415640, 498768, 623460, 665024, 831280, 997536, 1246920, 1330048, 1662560, 1995072, 2493840, 3325120, 3990144, 4987680, 6650240, 9975360, 19950720]

約数ペア:

[(1, 19950720), (2, 9975360), (3, 6650240), (4, 4987680), (5, 3990144), (6, 3325120), (8, 2493840), (10, 1995072), (12, 1662560), (15, 1330048), (16, 1246920), (20, 997536), (24, 831280), (30, 665024), (32, 623460), (40, 498768), (48, 415640), (60, 332512), (64, 311730), (80, 249384), (96, 207820), (120, 166256), (128, 155865), (160, 124692), (192, 103910), (240, 83128), (320, 62346), (384, 51955), (480, 41564), (640, 31173), (960, 20782), (1920, 10391)]