331520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1$

素因数の和:65

約数の個数: 72

約数和(自身を含む): 932064

約数和(自身を除く): 600544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 224, 256, 259, 280, 296, 320, 370, 448, 518, 560, 592, 640, 740, 896, 1036, 1120, 1184, 1280, 1295, 1480, 1792, 2072, 2240, 2368, 2590, 2960, 4144, 4480, 4736, 5180, 5920, 8288, 8960, 9472, 10360, 11840, 16576, 20720, 23680, 33152, 41440, 47360, 66304, 82880, 165760, 331520]

約数ペア:

[(1, 331520), (2, 165760), (4, 82880), (5, 66304), (7, 47360), (8, 41440), (10, 33152), (14, 23680), (16, 20720), (20, 16576), (28, 11840), (32, 10360), (35, 9472), (37, 8960), (40, 8288), (56, 5920), (64, 5180), (70, 4736), (74, 4480), (80, 4144), (112, 2960), (128, 2590), (140, 2368), (148, 2240), (160, 2072), (185, 1792), (224, 1480), (256, 1295), (259, 1280), (280, 1184), (296, 1120), (320, 1036), (370, 896), (448, 740), (518, 640), (560, 592)]