180945900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 180

約数和(自身を含む): 595508760

約数和(自身を除く): 414562860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 89, 90, 100, 108, 135, 150, 162, 178, 180, 225, 251, 267, 270, 300, 324, 356, 405, 445, 450, 502, 534, 540, 675, 753, 801, 810, 890, 900, 1004, 1068, 1255, 1335, 1350, 1506, 1602, 1620, 1780, 2025, 2225, 2259, 2403, 2510, 2670, 2700, 3012, 3204, 3765, 4005, 4050, 4450, 4518, 4806, 5020, 5340, 6275, 6675, 6777, 7209, 7530, 8010, 8100, 8900, 9036, 9612, 11295, 12015, 12550, 13350, 13554, 14418, 15060, 16020, 18825, 20025, 20331, 22339, 22590, 24030, 25100, 26700, 27108, 28836, 33885, 36045, 37650, 40050, 40662, 44678, 45180, 48060, 56475, 60075, 67017, 67770, 72090, 75300, 80100, 81324, 89356, 101655, 111695, 112950, 120150, 134034, 135540, 144180, 169425, 180225, 201051, 203310, 223390, 225900, 240300, 268068, 335085, 338850, 360450, 402102, 406620, 446780, 508275, 558475, 603153, 670170, 677700, 720900, 804204, 1005255, 1016550, 1116950, 1206306, 1340340, 1675425, 1809459, 2010510, 2033100, 2233900, 2412612, 3015765, 3350850, 3618918, 4021020, 5026275, 6031530, 6701700, 7237836, 9047295, 10052550, 12063060, 15078825, 18094590, 20105100, 30157650, 36189180, 45236475, 60315300, 90472950, 180945900]

約数ペア:

[(1, 180945900), (2, 90472950), (3, 60315300), (4, 45236475), (5, 36189180), (6, 30157650), (9, 20105100), (10, 18094590), (12, 15078825), (15, 12063060), (18, 10052550), (20, 9047295), (25, 7237836), (27, 6701700), (30, 6031530), (36, 5026275), (45, 4021020), (50, 3618918), (54, 3350850), (60, 3015765), (75, 2412612), (81, 2233900), (89, 2033100), (90, 2010510), (100, 1809459), (108, 1675425), (135, 1340340), (150, 1206306), (162, 1116950), (178, 1016550), (180, 1005255), (225, 804204), (251, 720900), (267, 677700), (270, 670170), (300, 603153), (324, 558475), (356, 508275), (405, 446780), (445, 406620), (450, 402102), (502, 360450), (534, 338850), (540, 335085), (675, 268068), (753, 240300), (801, 225900), (810, 223390), (890, 203310), (900, 201051), (1004, 180225), (1068, 169425), (1255, 144180), (1335, 135540), (1350, 134034), (1506, 120150), (1602, 112950), (1620, 111695), (1780, 101655), (2025, 89356), (2225, 81324), (2259, 80100), (2403, 75300), (2510, 72090), (2670, 67770), (2700, 67017), (3012, 60075), (3204, 56475), (3765, 48060), (4005, 45180), (4050, 44678), (4450, 40662), (4518, 40050), (4806, 37650), (5020, 36045), (5340, 33885), (6275, 28836), (6675, 27108), (6777, 26700), (7209, 25100), (7530, 24030), (8010, 22590), (8100, 22339), (8900, 20331), (9036, 20025), (9612, 18825), (11295, 16020), (12015, 15060), (12550, 14418), (13350, 13554)]