128415360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{66883}}^1$

素因数の和:66905

約数の個数: 64

約数和(自身を含む): 409330080

約数和(自身を除く): 280914720

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, 66883, 133766, 200649, 267532, 334415, 401298, 535064, 668830, 802596, 1003245, 1070128, 1337660, 1605192, 2006490, 2140256, 2675320, 3210384, 4012980, 4280512, 5350640, 6420768, 8025960, 8561024, 10701280, 12841536, 16051920, 21402560, 25683072, 32103840, 42805120, 64207680, 128415360]

約数ペア:

[(1, 128415360), (2, 64207680), (3, 42805120), (4, 32103840), (5, 25683072), (6, 21402560), (8, 16051920), (10, 12841536), (12, 10701280), (15, 8561024), (16, 8025960), (20, 6420768), (24, 5350640), (30, 4280512), (32, 4012980), (40, 3210384), (48, 2675320), (60, 2140256), (64, 2006490), (80, 1605192), (96, 1337660), (120, 1070128), (128, 1003245), (160, 802596), (192, 668830), (240, 535064), (320, 401298), (384, 334415), (480, 267532), (640, 200649), (960, 133766), (1920, 66883)]