19925760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5189}}^1$

素因数の和:5213

約数の個数: 72

約数和(自身を含む): 63650160

約数和(自身を除く): 43724400

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5189, 10378, 15567, 20756, 25945, 31134, 41512, 51890, 62268, 77835, 83024, 103780, 124536, 155670, 166048, 207560, 249072, 311340, 332096, 415120, 498144, 622680, 664192, 830240, 996288, 1245360, 1328384, 1660480, 1992576, 2490720, 3320960, 3985152, 4981440, 6641920, 9962880, 19925760]

約数ペア:

[(1, 19925760), (2, 9962880), (3, 6641920), (4, 4981440), (5, 3985152), (6, 3320960), (8, 2490720), (10, 1992576), (12, 1660480), (15, 1328384), (16, 1245360), (20, 996288), (24, 830240), (30, 664192), (32, 622680), (40, 498144), (48, 415120), (60, 332096), (64, 311340), (80, 249072), (96, 207560), (120, 166048), (128, 155670), (160, 124536), (192, 103780), (240, 83024), (256, 77835), (320, 62268), (384, 51890), (480, 41512), (640, 31134), (768, 25945), (960, 20756), (1280, 15567), (1920, 10378), (3840, 5189)]