30747320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 76032000

約数和(自身を除く): 45284680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 1759, 2185, 3496, 3518, 4370, 7036, 8740, 8795, 14072, 17480, 17590, 33421, 35180, 40457, 66842, 70360, 80914, 133684, 161828, 167105, 202285, 267368, 323656, 334210, 404570, 668420, 768683, 809140, 1336840, 1537366, 1618280, 3074732, 3843415, 6149464, 7686830, 15373660, 30747320]

約数ペア:

[(1, 30747320), (2, 15373660), (4, 7686830), (5, 6149464), (8, 3843415), (10, 3074732), (19, 1618280), (20, 1537366), (23, 1336840), (38, 809140), (40, 768683), (46, 668420), (76, 404570), (92, 334210), (95, 323656), (115, 267368), (152, 202285), (184, 167105), (190, 161828), (230, 133684), (380, 80914), (437, 70360), (460, 66842), (760, 40457), (874, 35180), (920, 33421), (1748, 17590), (1759, 17480), (2185, 14072), (3496, 8795), (3518, 8740), (4370, 7036)]