31376670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1937

約数の個数: 64

約数和(自身を含む): 83026944

約数和(自身を除く): 51650274

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1871, 2795, 3354, 3742, 5590, 5613, 8385, 9355, 11226, 16770, 18710, 24323, 28065, 48646, 56130, 72969, 80453, 121615, 145938, 160906, 241359, 243230, 364845, 402265, 482718, 729690, 804530, 1045889, 1206795, 2091778, 2413590, 3137667, 5229445, 6275334, 10458890, 15688335, 31376670]

約数ペア:

[(1, 31376670), (2, 15688335), (3, 10458890), (5, 6275334), (6, 5229445), (10, 3137667), (13, 2413590), (15, 2091778), (26, 1206795), (30, 1045889), (39, 804530), (43, 729690), (65, 482718), (78, 402265), (86, 364845), (129, 243230), (130, 241359), (195, 160906), (215, 145938), (258, 121615), (390, 80453), (430, 72969), (559, 56130), (645, 48646), (1118, 28065), (1290, 24323), (1677, 18710), (1871, 16770), (2795, 11226), (3354, 9355), (3742, 8385), (5590, 5613)]