81271920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11677}}^1$

素因数の和:11722

約数の個数: 80

約数和(自身を含む): 260652960

約数和(自身を除く): 179381040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 11677, 23354, 35031, 46708, 58385, 70062, 93416, 116770, 140124, 175155, 186832, 233540, 280248, 338633, 350310, 467080, 560496, 677266, 700620, 934160, 1015899, 1354532, 1401240, 1693165, 2031798, 2709064, 2802480, 3386330, 4063596, 5079495, 5418128, 6772660, 8127192, 10158990, 13545320, 16254384, 20317980, 27090640, 40635960, 81271920]

約数ペア:

[(1, 81271920), (2, 40635960), (3, 27090640), (4, 20317980), (5, 16254384), (6, 13545320), (8, 10158990), (10, 8127192), (12, 6772660), (15, 5418128), (16, 5079495), (20, 4063596), (24, 3386330), (29, 2802480), (30, 2709064), (40, 2031798), (48, 1693165), (58, 1401240), (60, 1354532), (80, 1015899), (87, 934160), (116, 700620), (120, 677266), (145, 560496), (174, 467080), (232, 350310), (240, 338633), (290, 280248), (348, 233540), (435, 186832), (464, 175155), (580, 140124), (696, 116770), (870, 93416), (1160, 70062), (1392, 58385), (1740, 46708), (2320, 35031), (3480, 23354), (6960, 11677)]