400947840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{23203}}^1$

素因数の和:23231

約数の個数: 128

約数和(自身を含む): 1420084800

約数和(自身を除く): 1019136960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280, 23203, 46406, 69609, 92812, 116015, 139218, 185624, 208827, 232030, 278436, 348045, 371248, 417654, 464060, 556872, 626481, 696090, 742496, 835308, 928120, 1044135, 1113744, 1252962, 1392180, 1484992, 1670616, 1856240, 2088270, 2227488, 2505924, 2784360, 2969984, 3132405, 3341232, 3712480, 4176540, 4454976, 5011848, 5568720, 6264810, 6682464, 7424960, 8353080, 8909952, 10023696, 11137440, 12529620, 13364928, 14849920, 16706160, 20047392, 22274880, 25059240, 26729856, 33412320, 40094784, 44549760, 50118480, 66824640, 80189568, 100236960, 133649280, 200473920, 400947840]

約数ペア:

[(1, 400947840), (2, 200473920), (3, 133649280), (4, 100236960), (5, 80189568), (6, 66824640), (8, 50118480), (9, 44549760), (10, 40094784), (12, 33412320), (15, 26729856), (16, 25059240), (18, 22274880), (20, 20047392), (24, 16706160), (27, 14849920), (30, 13364928), (32, 12529620), (36, 11137440), (40, 10023696), (45, 8909952), (48, 8353080), (54, 7424960), (60, 6682464), (64, 6264810), (72, 5568720), (80, 5011848), (90, 4454976), (96, 4176540), (108, 3712480), (120, 3341232), (128, 3132405), (135, 2969984), (144, 2784360), (160, 2505924), (180, 2227488), (192, 2088270), (216, 1856240), (240, 1670616), (270, 1484992), (288, 1392180), (320, 1252962), (360, 1113744), (384, 1044135), (432, 928120), (480, 835308), (540, 742496), (576, 696090), (640, 626481), (720, 556872), (864, 464060), (960, 417654), (1080, 371248), (1152, 348045), (1440, 278436), (1728, 232030), (1920, 208827), (2160, 185624), (2880, 139218), (3456, 116015), (4320, 92812), (5760, 69609), (8640, 46406), (17280, 23203)]