399914880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6719}}^1$

素因数の和:6772

約数の個数: 128

約数和(自身を含む): 1316044800

約数和(自身を除く): 916129920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 6719, 7440, 9920, 11904, 13438, 14880, 19840, 20157, 26876, 29760, 33595, 40314, 53752, 59520, 67190, 80628, 100785, 107504, 134380, 161256, 201570, 208289, 215008, 268760, 322512, 403140, 416578, 430016, 537520, 624867, 645024, 806280, 833156, 860032, 1041445, 1075040, 1249734, 1290048, 1612560, 1666312, 2082890, 2150080, 2499468, 2580096, 3124335, 3225120, 3332624, 4165780, 4300160, 4998936, 6248670, 6450240, 6665248, 8331560, 9997872, 12497340, 12900480, 13330496, 16663120, 19995744, 24994680, 26660992, 33326240, 39991488, 49989360, 66652480, 79982976, 99978720, 133304960, 199957440, 399914880]

約数ペア:

[(1, 399914880), (2, 199957440), (3, 133304960), (4, 99978720), (5, 79982976), (6, 66652480), (8, 49989360), (10, 39991488), (12, 33326240), (15, 26660992), (16, 24994680), (20, 19995744), (24, 16663120), (30, 13330496), (31, 12900480), (32, 12497340), (40, 9997872), (48, 8331560), (60, 6665248), (62, 6450240), (64, 6248670), (80, 4998936), (93, 4300160), (96, 4165780), (120, 3332624), (124, 3225120), (128, 3124335), (155, 2580096), (160, 2499468), (186, 2150080), (192, 2082890), (240, 1666312), (248, 1612560), (310, 1290048), (320, 1249734), (372, 1075040), (384, 1041445), (465, 860032), (480, 833156), (496, 806280), (620, 645024), (640, 624867), (744, 537520), (930, 430016), (960, 416578), (992, 403140), (1240, 322512), (1488, 268760), (1860, 215008), (1920, 208289), (1984, 201570), (2480, 161256), (2976, 134380), (3720, 107504), (3968, 100785), (4960, 80628), (5952, 67190), (6719, 59520), (7440, 53752), (9920, 40314), (11904, 33595), (13438, 29760), (14880, 26876), (19840, 20157)]