80951360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 112

約数和(自身を含む): 223845120

約数和(自身を除く): 142893760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 320, 355, 448, 497, 509, 560, 568, 710, 994, 1018, 1120, 1136, 1420, 1988, 2036, 2240, 2272, 2485, 2545, 2840, 3563, 3976, 4072, 4544, 4970, 5090, 5680, 7126, 7952, 8144, 9940, 10180, 11360, 14252, 15904, 16288, 17815, 19880, 20360, 22720, 28504, 31808, 32576, 35630, 36139, 39760, 40720, 57008, 71260, 72278, 79520, 81440, 114016, 142520, 144556, 159040, 162880, 180695, 228032, 252973, 285040, 289112, 361390, 505946, 570080, 578224, 722780, 1011892, 1140160, 1156448, 1264865, 1445560, 2023784, 2312896, 2529730, 2891120, 4047568, 5059460, 5782240, 8095136, 10118920, 11564480, 16190272, 20237840, 40475680, 80951360]

約数ペア:

[(1, 80951360), (2, 40475680), (4, 20237840), (5, 16190272), (7, 11564480), (8, 10118920), (10, 8095136), (14, 5782240), (16, 5059460), (20, 4047568), (28, 2891120), (32, 2529730), (35, 2312896), (40, 2023784), (56, 1445560), (64, 1264865), (70, 1156448), (71, 1140160), (80, 1011892), (112, 722780), (140, 578224), (142, 570080), (160, 505946), (224, 361390), (280, 289112), (284, 285040), (320, 252973), (355, 228032), (448, 180695), (497, 162880), (509, 159040), (560, 144556), (568, 142520), (710, 114016), (994, 81440), (1018, 79520), (1120, 72278), (1136, 71260), (1420, 57008), (1988, 40720), (2036, 39760), (2240, 36139), (2272, 35630), (2485, 32576), (2545, 31808), (2840, 28504), (3563, 22720), (3976, 20360), (4072, 19880), (4544, 17815), (4970, 16288), (5090, 15904), (5680, 14252), (7126, 11360), (7952, 10180), (8144, 9940)]