31014780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 88954992

約数和(自身を除く): 57940212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 97, 146, 194, 219, 291, 292, 365, 388, 438, 485, 582, 730, 876, 970, 1095, 1164, 1455, 1460, 1940, 2190, 2910, 4380, 5329, 5820, 7081, 10658, 14162, 15987, 21243, 21316, 26645, 28324, 31974, 35405, 42486, 53290, 63948, 70810, 79935, 84972, 106215, 106580, 141620, 159870, 212430, 319740, 424860, 516913, 1033826, 1550739, 2067652, 2584565, 3101478, 5169130, 6202956, 7753695, 10338260, 15507390, 31014780]

約数ペア:

[(1, 31014780), (2, 15507390), (3, 10338260), (4, 7753695), (5, 6202956), (6, 5169130), (10, 3101478), (12, 2584565), (15, 2067652), (20, 1550739), (30, 1033826), (60, 516913), (73, 424860), (97, 319740), (146, 212430), (194, 159870), (219, 141620), (291, 106580), (292, 106215), (365, 84972), (388, 79935), (438, 70810), (485, 63948), (582, 53290), (730, 42486), (876, 35405), (970, 31974), (1095, 28324), (1164, 26645), (1455, 21316), (1460, 21243), (1940, 15987), (2190, 14162), (2910, 10658), (4380, 7081), (5329, 5820)]