19685760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10253}}^1$

素因数の和:10275

約数の個数: 64

約数和(自身を含む): 62754480

約数和(自身を除く): 43068720

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, 10253, 20506, 30759, 41012, 51265, 61518, 82024, 102530, 123036, 153795, 164048, 205060, 246072, 307590, 328096, 410120, 492144, 615180, 656192, 820240, 984288, 1230360, 1312384, 1640480, 1968576, 2460720, 3280960, 3937152, 4921440, 6561920, 9842880, 19685760]

約数ペア:

[(1, 19685760), (2, 9842880), (3, 6561920), (4, 4921440), (5, 3937152), (6, 3280960), (8, 2460720), (10, 1968576), (12, 1640480), (15, 1312384), (16, 1230360), (20, 984288), (24, 820240), (30, 656192), (32, 615180), (40, 492144), (48, 410120), (60, 328096), (64, 307590), (80, 246072), (96, 205060), (120, 164048), (128, 153795), (160, 123036), (192, 102530), (240, 82024), (320, 61518), (384, 51265), (480, 41012), (640, 30759), (960, 20506), (1920, 10253)]