256543290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91951}}^1$

素因数の和:91995

約数の個数: 48

約数和(自身を含む): 688536576

約数和(自身を除く): 431993286

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 91951, 183902, 275853, 459755, 551706, 827559, 919510, 1379265, 1655118, 2758530, 2850481, 4137795, 5700962, 8275590, 8551443, 14252405, 17102886, 25654329, 28504810, 42757215, 51308658, 85514430, 128271645, 256543290]

約数ペア:

[(1, 256543290), (2, 128271645), (3, 85514430), (5, 51308658), (6, 42757215), (9, 28504810), (10, 25654329), (15, 17102886), (18, 14252405), (30, 8551443), (31, 8275590), (45, 5700962), (62, 4137795), (90, 2850481), (93, 2758530), (155, 1655118), (186, 1379265), (279, 919510), (310, 827559), (465, 551706), (558, 459755), (930, 275853), (1395, 183902), (2790, 91951)]