398788920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{123083}}^1$

素因数の和:123106

約数の個数: 80

約数和(自身を含む): 1340384760

約数和(自身を除く): 941595840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 123083, 246166, 369249, 492332, 615415, 738498, 984664, 1107747, 1230830, 1476996, 1846245, 2215494, 2461660, 2953992, 3323241, 3692490, 4430988, 4923320, 5538735, 6646482, 7384980, 8861976, 9969723, 11077470, 13292964, 14769960, 16616205, 19939446, 22154940, 26585928, 33232410, 39878892, 44309880, 49848615, 66464820, 79757784, 99697230, 132929640, 199394460, 398788920]

約数ペア:

[(1, 398788920), (2, 199394460), (3, 132929640), (4, 99697230), (5, 79757784), (6, 66464820), (8, 49848615), (9, 44309880), (10, 39878892), (12, 33232410), (15, 26585928), (18, 22154940), (20, 19939446), (24, 16616205), (27, 14769960), (30, 13292964), (36, 11077470), (40, 9969723), (45, 8861976), (54, 7384980), (60, 6646482), (72, 5538735), (81, 4923320), (90, 4430988), (108, 3692490), (120, 3323241), (135, 2953992), (162, 2461660), (180, 2215494), (216, 1846245), (270, 1476996), (324, 1230830), (360, 1107747), (405, 984664), (540, 738498), (648, 615415), (810, 492332), (1080, 369249), (1620, 246166), (3240, 123083)]