156851280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{217849}}^1$

素因数の和:217868

約数の個数: 60

約数和(自身を含む): 526761300

約数和(自身を除く): 369910020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 217849, 435698, 653547, 871396, 1089245, 1307094, 1742792, 1960641, 2178490, 2614188, 3267735, 3485584, 3921282, 4356980, 5228376, 6535470, 7842564, 8713960, 9803205, 10456752, 13070940, 15685128, 17427920, 19606410, 26141880, 31370256, 39212820, 52283760, 78425640, 156851280]

約数ペア:

[(1, 156851280), (2, 78425640), (3, 52283760), (4, 39212820), (5, 31370256), (6, 26141880), (8, 19606410), (9, 17427920), (10, 15685128), (12, 13070940), (15, 10456752), (16, 9803205), (18, 8713960), (20, 7842564), (24, 6535470), (30, 5228376), (36, 4356980), (40, 3921282), (45, 3485584), (48, 3267735), (60, 2614188), (72, 2178490), (80, 1960641), (90, 1742792), (120, 1307094), (144, 1089245), (180, 871396), (240, 653547), (360, 435698), (720, 217849)]