71720370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{541}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 191998080

約数和(自身を除く): 120277710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 491, 541, 982, 1082, 1473, 1623, 2455, 2705, 2946, 3246, 4419, 4869, 4910, 5410, 7365, 8115, 8838, 9738, 13257, 14607, 14730, 16230, 22095, 24345, 26514, 29214, 44190, 48690, 66285, 73035, 132570, 146070, 265631, 531262, 796893, 1328155, 1593786, 2390679, 2656310, 3984465, 4781358, 7172037, 7968930, 11953395, 14344074, 23906790, 35860185, 71720370]

約数ペア:

[(1, 71720370), (2, 35860185), (3, 23906790), (5, 14344074), (6, 11953395), (9, 7968930), (10, 7172037), (15, 4781358), (18, 3984465), (27, 2656310), (30, 2390679), (45, 1593786), (54, 1328155), (90, 796893), (135, 531262), (270, 265631), (491, 146070), (541, 132570), (982, 73035), (1082, 66285), (1473, 48690), (1623, 44190), (2455, 29214), (2705, 26514), (2946, 24345), (3246, 22095), (4419, 16230), (4869, 14730), (4910, 14607), (5410, 13257), (7365, 9738), (8115, 8838)]