2520272640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{656321}}^1$

素因数の和:656345

約数の個数: 72

約数和(自身を含む): 8049133008

約数和(自身を除く): 5528860368

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, 656321, 1312642, 1968963, 2625284, 3281605, 3937926, 5250568, 6563210, 7875852, 9844815, 10501136, 13126420, 15751704, 19689630, 21002272, 26252840, 31503408, 39379260, 42004544, 52505680, 63006816, 78758520, 84009088, 105011360, 126013632, 157517040, 168018176, 210022720, 252027264, 315034080, 420045440, 504054528, 630068160, 840090880, 1260136320, 2520272640]

約数ペア:

[(1, 2520272640), (2, 1260136320), (3, 840090880), (4, 630068160), (5, 504054528), (6, 420045440), (8, 315034080), (10, 252027264), (12, 210022720), (15, 168018176), (16, 157517040), (20, 126013632), (24, 105011360), (30, 84009088), (32, 78758520), (40, 63006816), (48, 52505680), (60, 42004544), (64, 39379260), (80, 31503408), (96, 26252840), (120, 21002272), (128, 19689630), (160, 15751704), (192, 13126420), (240, 10501136), (256, 9844815), (320, 7875852), (384, 6563210), (480, 5250568), (640, 3937926), (768, 3281605), (960, 2625284), (1280, 1968963), (1920, 1312642), (3840, 656321)]