127998540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19219}}^1$

素因数の和:19271

約数の個数: 72

約数和(自身を含む): 398776560

約数和(自身を除く): 270778020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 19219, 38438, 57657, 76876, 96095, 115314, 172971, 192190, 230628, 288285, 345942, 384380, 576570, 691884, 711103, 864855, 1153140, 1422206, 1729710, 2133309, 2844412, 3459420, 3555515, 4266618, 6399927, 7111030, 8533236, 10666545, 12799854, 14222060, 21333090, 25599708, 31999635, 42666180, 63999270, 127998540]

約数ペア:

[(1, 127998540), (2, 63999270), (3, 42666180), (4, 31999635), (5, 25599708), (6, 21333090), (9, 14222060), (10, 12799854), (12, 10666545), (15, 8533236), (18, 7111030), (20, 6399927), (30, 4266618), (36, 3555515), (37, 3459420), (45, 2844412), (60, 2133309), (74, 1729710), (90, 1422206), (111, 1153140), (148, 864855), (180, 711103), (185, 691884), (222, 576570), (333, 384380), (370, 345942), (444, 288285), (555, 230628), (666, 192190), (740, 172971), (1110, 115314), (1332, 96095), (1665, 76876), (2220, 57657), (3330, 38438), (6660, 19219)]