161895720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5209}}^1$

素因数の和:5267

約数の個数: 128

約数和(自身を含む): 570182400

約数和(自身を除く): 408286680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 5209, 6216, 7770, 10360, 10418, 15540, 15627, 20836, 26045, 31080, 31254, 36463, 41672, 52090, 62508, 72926, 78135, 104180, 109389, 125016, 145852, 156270, 182315, 192733, 208360, 218778, 291704, 312540, 364630, 385466, 437556, 546945, 578199, 625080, 729260, 770932, 875112, 963665, 1093890, 1156398, 1349131, 1458520, 1541864, 1927330, 2187780, 2312796, 2698262, 2890995, 3854660, 4047393, 4375560, 4625592, 5396524, 5781990, 6745655, 7709320, 8094786, 10793048, 11563980, 13491310, 16189572, 20236965, 23127960, 26982620, 32379144, 40473930, 53965240, 80947860, 161895720]

約数ペア:

[(1, 161895720), (2, 80947860), (3, 53965240), (4, 40473930), (5, 32379144), (6, 26982620), (7, 23127960), (8, 20236965), (10, 16189572), (12, 13491310), (14, 11563980), (15, 10793048), (20, 8094786), (21, 7709320), (24, 6745655), (28, 5781990), (30, 5396524), (35, 4625592), (37, 4375560), (40, 4047393), (42, 3854660), (56, 2890995), (60, 2698262), (70, 2312796), (74, 2187780), (84, 1927330), (105, 1541864), (111, 1458520), (120, 1349131), (140, 1156398), (148, 1093890), (168, 963665), (185, 875112), (210, 770932), (222, 729260), (259, 625080), (280, 578199), (296, 546945), (370, 437556), (420, 385466), (444, 364630), (518, 312540), (555, 291704), (740, 218778), (777, 208360), (840, 192733), (888, 182315), (1036, 156270), (1110, 145852), (1295, 125016), (1480, 109389), (1554, 104180), (2072, 78135), (2220, 72926), (2590, 62508), (3108, 52090), (3885, 41672), (4440, 36463), (5180, 31254), (5209, 31080), (6216, 26045), (7770, 20836), (10360, 15627), (10418, 15540)]