31378560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:358

約数の個数: 128

約数和(自身を含む): 102081600

約数和(自身を除く): 70703040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 277, 295, 320, 354, 384, 472, 480, 554, 590, 640, 708, 831, 885, 944, 960, 1108, 1180, 1385, 1416, 1662, 1770, 1888, 1920, 2216, 2360, 2770, 2832, 3324, 3540, 3776, 4155, 4432, 4720, 5540, 5664, 6648, 7080, 7552, 8310, 8864, 9440, 11080, 11328, 13296, 14160, 16343, 16620, 17728, 18880, 22160, 22656, 26592, 28320, 32686, 33240, 35456, 37760, 44320, 49029, 53184, 56640, 65372, 66480, 81715, 88640, 98058, 106368, 113280, 130744, 132960, 163430, 177280, 196116, 245145, 261488, 265920, 326860, 392232, 490290, 522976, 531840, 653720, 784464, 980580, 1045952, 1307440, 1568928, 1961160, 2091904, 2614880, 3137856, 3922320, 5229760, 6275712, 7844640, 10459520, 15689280, 31378560]

約数ペア:

[(1, 31378560), (2, 15689280), (3, 10459520), (4, 7844640), (5, 6275712), (6, 5229760), (8, 3922320), (10, 3137856), (12, 2614880), (15, 2091904), (16, 1961160), (20, 1568928), (24, 1307440), (30, 1045952), (32, 980580), (40, 784464), (48, 653720), (59, 531840), (60, 522976), (64, 490290), (80, 392232), (96, 326860), (118, 265920), (120, 261488), (128, 245145), (160, 196116), (177, 177280), (192, 163430), (236, 132960), (240, 130744), (277, 113280), (295, 106368), (320, 98058), (354, 88640), (384, 81715), (472, 66480), (480, 65372), (554, 56640), (590, 53184), (640, 49029), (708, 44320), (831, 37760), (885, 35456), (944, 33240), (960, 32686), (1108, 28320), (1180, 26592), (1385, 22656), (1416, 22160), (1662, 18880), (1770, 17728), (1888, 16620), (1920, 16343), (2216, 14160), (2360, 13296), (2770, 11328), (2832, 11080), (3324, 9440), (3540, 8864), (3776, 8310), (4155, 7552), (4432, 7080), (4720, 6648), (5540, 5664)]