161024840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{967}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 380540160

約数和(自身を除く): 219515320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 181, 184, 230, 362, 460, 724, 905, 920, 967, 1448, 1810, 1934, 3620, 3868, 4163, 4835, 7240, 7736, 8326, 9670, 16652, 19340, 20815, 22241, 33304, 38680, 41630, 44482, 83260, 88964, 111205, 166520, 175027, 177928, 222410, 350054, 444820, 700108, 875135, 889640, 1400216, 1750270, 3500540, 4025621, 7001080, 8051242, 16102484, 20128105, 32204968, 40256210, 80512420, 161024840]

約数ペア:

[(1, 161024840), (2, 80512420), (4, 40256210), (5, 32204968), (8, 20128105), (10, 16102484), (20, 8051242), (23, 7001080), (40, 4025621), (46, 3500540), (92, 1750270), (115, 1400216), (181, 889640), (184, 875135), (230, 700108), (362, 444820), (460, 350054), (724, 222410), (905, 177928), (920, 175027), (967, 166520), (1448, 111205), (1810, 88964), (1934, 83260), (3620, 44482), (3868, 41630), (4163, 38680), (4835, 33304), (7240, 22241), (7736, 20815), (8326, 19340), (9670, 16652)]