2787480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 9720000

約数和(自身を除く): 6932520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 89, 90, 108, 116, 120, 135, 145, 174, 178, 180, 216, 232, 261, 267, 270, 290, 348, 356, 360, 435, 445, 522, 534, 540, 580, 696, 712, 783, 801, 870, 890, 1044, 1068, 1080, 1160, 1305, 1335, 1566, 1602, 1740, 1780, 2088, 2136, 2403, 2581, 2610, 2670, 3132, 3204, 3480, 3560, 3915, 4005, 4806, 5162, 5220, 5340, 6264, 6408, 7743, 7830, 8010, 9612, 10324, 10440, 10680, 12015, 12905, 15486, 15660, 16020, 19224, 20648, 23229, 24030, 25810, 30972, 31320, 32040, 38715, 46458, 48060, 51620, 61944, 69687, 77430, 92916, 96120, 103240, 116145, 139374, 154860, 185832, 232290, 278748, 309720, 348435, 464580, 557496, 696870, 929160, 1393740, 2787480]

約数ペア:

[(1, 2787480), (2, 1393740), (3, 929160), (4, 696870), (5, 557496), (6, 464580), (8, 348435), (9, 309720), (10, 278748), (12, 232290), (15, 185832), (18, 154860), (20, 139374), (24, 116145), (27, 103240), (29, 96120), (30, 92916), (36, 77430), (40, 69687), (45, 61944), (54, 51620), (58, 48060), (60, 46458), (72, 38715), (87, 32040), (89, 31320), (90, 30972), (108, 25810), (116, 24030), (120, 23229), (135, 20648), (145, 19224), (174, 16020), (178, 15660), (180, 15486), (216, 12905), (232, 12015), (261, 10680), (267, 10440), (270, 10324), (290, 9612), (348, 8010), (356, 7830), (360, 7743), (435, 6408), (445, 6264), (522, 5340), (534, 5220), (540, 5162), (580, 4806), (696, 4005), (712, 3915), (783, 3560), (801, 3480), (870, 3204), (890, 3132), (1044, 2670), (1068, 2610), (1080, 2581), (1160, 2403), (1305, 2136), (1335, 2088), (1566, 1780), (1602, 1740)]