1320390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 3639168

約数和(自身を除く): 2318778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 863, 1530, 1726, 2589, 4315, 5178, 7767, 8630, 12945, 14671, 15534, 25890, 29342, 38835, 44013, 73355, 77670, 88026, 132039, 146710, 220065, 264078, 440130, 660195, 1320390]

約数ペア:

[(1, 1320390), (2, 660195), (3, 440130), (5, 264078), (6, 220065), (9, 146710), (10, 132039), (15, 88026), (17, 77670), (18, 73355), (30, 44013), (34, 38835), (45, 29342), (51, 25890), (85, 15534), (90, 14671), (102, 12945), (153, 8630), (170, 7767), (255, 5178), (306, 4315), (510, 2589), (765, 1726), (863, 1530)]