20161851720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2507693}}^1$

素因数の和:2507774

約数の個数: 64

約数和(自身を含む): 61388349120

約数和(自身を除く): 41226497400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2680, 4020, 8040, 2507693, 5015386, 7523079, 10030772, 12538465, 15046158, 20061544, 25076930, 30092316, 37615395, 50153860, 60184632, 75230790, 100307720, 150461580, 168015431, 300923160, 336030862, 504046293, 672061724, 840077155, 1008092586, 1344123448, 1680154310, 2016185172, 2520231465, 3360308620, 4032370344, 5040462930, 6720617240, 10080925860, 20161851720]

約数ペア:

[(1, 20161851720), (2, 10080925860), (3, 6720617240), (4, 5040462930), (5, 4032370344), (6, 3360308620), (8, 2520231465), (10, 2016185172), (12, 1680154310), (15, 1344123448), (20, 1008092586), (24, 840077155), (30, 672061724), (40, 504046293), (60, 336030862), (67, 300923160), (120, 168015431), (134, 150461580), (201, 100307720), (268, 75230790), (335, 60184632), (402, 50153860), (536, 37615395), (670, 30092316), (804, 25076930), (1005, 20061544), (1340, 15046158), (1608, 12538465), (2010, 10030772), (2680, 7523079), (4020, 5015386), (8040, 2507693)]