81803460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15319}}^1$

素因数の和:15420

約数の個数: 48

約数和(自身を含む): 231638400

約数和(自身を除く): 149834940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 15319, 30638, 45957, 61276, 76595, 91914, 153190, 183828, 229785, 306380, 459570, 919140, 1363391, 2726782, 4090173, 5453564, 6816955, 8180346, 13633910, 16360692, 20450865, 27267820, 40901730, 81803460]

約数ペア:

[(1, 81803460), (2, 40901730), (3, 27267820), (4, 20450865), (5, 16360692), (6, 13633910), (10, 8180346), (12, 6816955), (15, 5453564), (20, 4090173), (30, 2726782), (60, 1363391), (89, 919140), (178, 459570), (267, 306380), (356, 229785), (445, 183828), (534, 153190), (890, 91914), (1068, 76595), (1335, 61276), (1780, 45957), (2670, 30638), (5340, 15319)]