189991440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{87959}}^1$

素因数の和:87981

約数の個数: 80

約数和(自身を含む): 654422400

約数和(自身を除く): 464430960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 87959, 175918, 263877, 351836, 439795, 527754, 703672, 791631, 879590, 1055508, 1319385, 1407344, 1583262, 1759180, 2111016, 2374893, 2638770, 3166524, 3518360, 3958155, 4222032, 4749786, 5277540, 6333048, 7036720, 7916310, 9499572, 10555080, 11874465, 12666096, 15832620, 18999144, 21110160, 23748930, 31665240, 37998288, 47497860, 63330480, 94995720, 189991440]

約数ペア:

[(1, 189991440), (2, 94995720), (3, 63330480), (4, 47497860), (5, 37998288), (6, 31665240), (8, 23748930), (9, 21110160), (10, 18999144), (12, 15832620), (15, 12666096), (16, 11874465), (18, 10555080), (20, 9499572), (24, 7916310), (27, 7036720), (30, 6333048), (36, 5277540), (40, 4749786), (45, 4222032), (48, 3958155), (54, 3518360), (60, 3166524), (72, 2638770), (80, 2374893), (90, 2111016), (108, 1759180), (120, 1583262), (135, 1407344), (144, 1319385), (180, 1055508), (216, 879590), (240, 791631), (270, 703672), (360, 527754), (432, 439795), (540, 351836), (720, 263877), (1080, 175918), (2160, 87959)]