31071120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3499}}^1$

素因数の和:3552

約数の個数: 80

約数和(自身を含む): 98952000

約数和(自身を除く): 67880880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3499, 4440, 6998, 8880, 10497, 13996, 17495, 20994, 27992, 34990, 41988, 52485, 55984, 69980, 83976, 104970, 129463, 139960, 167952, 209940, 258926, 279920, 388389, 419880, 517852, 647315, 776778, 839760, 1035704, 1294630, 1553556, 1941945, 2071408, 2589260, 3107112, 3883890, 5178520, 6214224, 7767780, 10357040, 15535560, 31071120]

約数ペア:

[(1, 31071120), (2, 15535560), (3, 10357040), (4, 7767780), (5, 6214224), (6, 5178520), (8, 3883890), (10, 3107112), (12, 2589260), (15, 2071408), (16, 1941945), (20, 1553556), (24, 1294630), (30, 1035704), (37, 839760), (40, 776778), (48, 647315), (60, 517852), (74, 419880), (80, 388389), (111, 279920), (120, 258926), (148, 209940), (185, 167952), (222, 139960), (240, 129463), (296, 104970), (370, 83976), (444, 69980), (555, 55984), (592, 52485), (740, 41988), (888, 34990), (1110, 27992), (1480, 20994), (1776, 17495), (2220, 13996), (2960, 10497), (3499, 8880), (4440, 6998)]