81961560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227671}}^1$

素因数の和:227688

約数の個数: 48

約数和(自身を含む): 266376240

約数和(自身を除く): 184414680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227671, 455342, 683013, 910684, 1138355, 1366026, 1821368, 2049039, 2276710, 2732052, 3415065, 4098078, 4553420, 5464104, 6830130, 8196156, 9106840, 10245195, 13660260, 16392312, 20490390, 27320520, 40980780, 81961560]

約数ペア:

[(1, 81961560), (2, 40980780), (3, 27320520), (4, 20490390), (5, 16392312), (6, 13660260), (8, 10245195), (9, 9106840), (10, 8196156), (12, 6830130), (15, 5464104), (18, 4553420), (20, 4098078), (24, 3415065), (30, 2732052), (36, 2276710), (40, 2049039), (45, 1821368), (60, 1366026), (72, 1138355), (90, 910684), (120, 683013), (180, 455342), (360, 227671)]