2890720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 8164800

約数和(自身を除く): 5274080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 89, 112, 116, 140, 145, 160, 178, 203, 224, 232, 280, 290, 356, 406, 445, 464, 560, 580, 623, 712, 812, 890, 928, 1015, 1120, 1160, 1246, 1424, 1624, 1780, 2030, 2320, 2492, 2581, 2848, 3115, 3248, 3560, 4060, 4640, 4984, 5162, 6230, 6496, 7120, 8120, 9968, 10324, 12460, 12905, 14240, 16240, 18067, 19936, 20648, 24920, 25810, 32480, 36134, 41296, 49840, 51620, 72268, 82592, 90335, 99680, 103240, 144536, 180670, 206480, 289072, 361340, 412960, 578144, 722680, 1445360, 2890720]

約数ペア:

[(1, 2890720), (2, 1445360), (4, 722680), (5, 578144), (7, 412960), (8, 361340), (10, 289072), (14, 206480), (16, 180670), (20, 144536), (28, 103240), (29, 99680), (32, 90335), (35, 82592), (40, 72268), (56, 51620), (58, 49840), (70, 41296), (80, 36134), (89, 32480), (112, 25810), (116, 24920), (140, 20648), (145, 19936), (160, 18067), (178, 16240), (203, 14240), (224, 12905), (232, 12460), (280, 10324), (290, 9968), (356, 8120), (406, 7120), (445, 6496), (464, 6230), (560, 5162), (580, 4984), (623, 4640), (712, 4060), (812, 3560), (890, 3248), (928, 3115), (1015, 2848), (1120, 2581), (1160, 2492), (1246, 2320), (1424, 2030), (1624, 1780)]