91720160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11699}}^1$

素因数の和:11728

約数の個数: 72

約数和(自身を含む): 252088200

約数和(自身を除く): 160368040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 11699, 23398, 46796, 58495, 81893, 93592, 116990, 163786, 187184, 233980, 327572, 374368, 409465, 467960, 573251, 655144, 818930, 935920, 1146502, 1310288, 1637860, 1871840, 2293004, 2620576, 2866255, 3275720, 4586008, 5732510, 6551440, 9172016, 11465020, 13102880, 18344032, 22930040, 45860080, 91720160]

約数ペア:

[(1, 91720160), (2, 45860080), (4, 22930040), (5, 18344032), (7, 13102880), (8, 11465020), (10, 9172016), (14, 6551440), (16, 5732510), (20, 4586008), (28, 3275720), (32, 2866255), (35, 2620576), (40, 2293004), (49, 1871840), (56, 1637860), (70, 1310288), (80, 1146502), (98, 935920), (112, 818930), (140, 655144), (160, 573251), (196, 467960), (224, 409465), (245, 374368), (280, 327572), (392, 233980), (490, 187184), (560, 163786), (784, 116990), (980, 93592), (1120, 81893), (1568, 58495), (1960, 46796), (3920, 23398), (7840, 11699)]