29871540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 91099008

約数和(自身を除く): 61227468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 631, 789, 1052, 1262, 1315, 1578, 1893, 2367, 2524, 2630, 3155, 3156, 3786, 3945, 4734, 5260, 5679, 6310, 7572, 7890, 9465, 9468, 11358, 11835, 12620, 15780, 18930, 22716, 23670, 28395, 37860, 47340, 56790, 113580, 165953, 331906, 497859, 663812, 829765, 995718, 1493577, 1659530, 1991436, 2489295, 2987154, 3319060, 4978590, 5974308, 7467885, 9957180, 14935770, 29871540]

約数ペア:

[(1, 29871540), (2, 14935770), (3, 9957180), (4, 7467885), (5, 5974308), (6, 4978590), (9, 3319060), (10, 2987154), (12, 2489295), (15, 1991436), (18, 1659530), (20, 1493577), (30, 995718), (36, 829765), (45, 663812), (60, 497859), (90, 331906), (180, 165953), (263, 113580), (526, 56790), (631, 47340), (789, 37860), (1052, 28395), (1262, 23670), (1315, 22716), (1578, 18930), (1893, 15780), (2367, 12620), (2524, 11835), (2630, 11358), (3155, 9468), (3156, 9465), (3786, 7890), (3945, 7572), (4734, 6310), (5260, 5679)]