61942220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 145351584

約数和(自身を除く): 83409364

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 89, 92, 115, 170, 178, 230, 340, 356, 391, 445, 460, 782, 890, 1513, 1564, 1780, 1955, 2047, 3026, 3910, 4094, 6052, 7565, 7820, 7921, 8188, 10235, 15130, 15842, 20470, 30260, 31684, 34799, 39605, 40940, 69598, 79210, 134657, 139196, 158420, 173995, 182183, 269314, 347990, 364366, 538628, 673285, 695980, 728732, 910915, 1346570, 1821830, 2693140, 3097111, 3643660, 6194222, 12388444, 15485555, 30971110, 61942220]

約数ペア:

[(1, 61942220), (2, 30971110), (4, 15485555), (5, 12388444), (10, 6194222), (17, 3643660), (20, 3097111), (23, 2693140), (34, 1821830), (46, 1346570), (68, 910915), (85, 728732), (89, 695980), (92, 673285), (115, 538628), (170, 364366), (178, 347990), (230, 269314), (340, 182183), (356, 173995), (391, 158420), (445, 139196), (460, 134657), (782, 79210), (890, 69598), (1513, 40940), (1564, 39605), (1780, 34799), (1955, 31684), (2047, 30260), (3026, 20470), (3910, 15842), (4094, 15130), (6052, 10235), (7565, 8188), (7820, 7921)]