2454780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 6943104

約数和(自身を除く): 4488324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 251, 326, 489, 502, 652, 753, 815, 978, 1004, 1255, 1506, 1630, 1956, 2445, 2510, 3012, 3260, 3765, 4890, 5020, 7530, 9780, 15060, 40913, 81826, 122739, 163652, 204565, 245478, 409130, 490956, 613695, 818260, 1227390, 2454780]

約数ペア:

[(1, 2454780), (2, 1227390), (3, 818260), (4, 613695), (5, 490956), (6, 409130), (10, 245478), (12, 204565), (15, 163652), (20, 122739), (30, 81826), (60, 40913), (163, 15060), (251, 9780), (326, 7530), (489, 5020), (502, 4890), (652, 3765), (753, 3260), (815, 3012), (978, 2510), (1004, 2445), (1255, 1956), (1506, 1630)]