81659130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1627}}^1$

素因数の和:1883

約数の個数: 64

約数和(自身を含む): 225054720

約数和(自身を除く): 143395590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 478, 717, 1195, 1434, 1627, 1673, 2390, 3254, 3346, 3585, 4881, 5019, 7170, 8135, 8365, 9762, 10038, 11389, 16270, 16730, 22778, 24405, 25095, 34167, 48810, 50190, 56945, 68334, 113890, 170835, 341670, 388853, 777706, 1166559, 1944265, 2333118, 2721971, 3888530, 5443942, 5832795, 8165913, 11665590, 13609855, 16331826, 27219710, 40829565, 81659130]

約数ペア:

[(1, 81659130), (2, 40829565), (3, 27219710), (5, 16331826), (6, 13609855), (7, 11665590), (10, 8165913), (14, 5832795), (15, 5443942), (21, 3888530), (30, 2721971), (35, 2333118), (42, 1944265), (70, 1166559), (105, 777706), (210, 388853), (239, 341670), (478, 170835), (717, 113890), (1195, 68334), (1434, 56945), (1627, 50190), (1673, 48810), (2390, 34167), (3254, 25095), (3346, 24405), (3585, 22778), (4881, 16730), (5019, 16270), (7170, 11389), (8135, 10038), (8365, 9762)]