72499840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{16183}}^1$

素因数の和:16209

約数の個数: 64

約数和(自身を含む): 198092160

約数和(自身を除く): 125592320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 16183, 32366, 64732, 80915, 113281, 129464, 161830, 226562, 258928, 323660, 453124, 517856, 566405, 647320, 906248, 1035712, 1132810, 1294640, 1812496, 2071424, 2265620, 2589280, 3624992, 4531240, 5178560, 7249984, 9062480, 10357120, 14499968, 18124960, 36249920, 72499840]

約数ペア:

[(1, 72499840), (2, 36249920), (4, 18124960), (5, 14499968), (7, 10357120), (8, 9062480), (10, 7249984), (14, 5178560), (16, 4531240), (20, 3624992), (28, 2589280), (32, 2265620), (35, 2071424), (40, 1812496), (56, 1294640), (64, 1132810), (70, 1035712), (80, 906248), (112, 647320), (128, 566405), (140, 517856), (160, 453124), (224, 323660), (280, 258928), (320, 226562), (448, 161830), (560, 129464), (640, 113281), (896, 80915), (1120, 64732), (2240, 32366), (4480, 16183)]