2845980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 8775312

約数和(自身を除く): 5929332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 163, 180, 194, 291, 326, 388, 485, 489, 582, 652, 815, 873, 970, 978, 1164, 1455, 1467, 1630, 1746, 1940, 1956, 2445, 2910, 2934, 3260, 3492, 4365, 4890, 5820, 5868, 7335, 8730, 9780, 14670, 15811, 17460, 29340, 31622, 47433, 63244, 79055, 94866, 142299, 158110, 189732, 237165, 284598, 316220, 474330, 569196, 711495, 948660, 1422990, 2845980]

約数ペア:

[(1, 2845980), (2, 1422990), (3, 948660), (4, 711495), (5, 569196), (6, 474330), (9, 316220), (10, 284598), (12, 237165), (15, 189732), (18, 158110), (20, 142299), (30, 94866), (36, 79055), (45, 63244), (60, 47433), (90, 31622), (97, 29340), (163, 17460), (180, 15811), (194, 14670), (291, 9780), (326, 8730), (388, 7335), (485, 5868), (489, 5820), (582, 4890), (652, 4365), (815, 3492), (873, 3260), (970, 2934), (978, 2910), (1164, 2445), (1455, 1956), (1467, 1940), (1630, 1746)]