210005040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{125003}}^1$

素因数の和:125026

約数の個数: 80

約数和(自身を含む): 744023808

約数和(自身を除く): 534018768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 125003, 250006, 375009, 500012, 625015, 750018, 875021, 1000024, 1250030, 1500036, 1750042, 1875045, 2000048, 2500060, 2625063, 3000072, 3500084, 3750090, 4375105, 5000120, 5250126, 6000144, 7000168, 7500180, 8750210, 10000240, 10500252, 13125315, 14000336, 15000360, 17500420, 21000504, 26250630, 30000720, 35000840, 42001008, 52501260, 70001680, 105002520, 210005040]

約数ペア:

[(1, 210005040), (2, 105002520), (3, 70001680), (4, 52501260), (5, 42001008), (6, 35000840), (7, 30000720), (8, 26250630), (10, 21000504), (12, 17500420), (14, 15000360), (15, 14000336), (16, 13125315), (20, 10500252), (21, 10000240), (24, 8750210), (28, 7500180), (30, 7000168), (35, 6000144), (40, 5250126), (42, 5000120), (48, 4375105), (56, 3750090), (60, 3500084), (70, 3000072), (80, 2625063), (84, 2500060), (105, 2000048), (112, 1875045), (120, 1750042), (140, 1500036), (168, 1250030), (210, 1000024), (240, 875021), (280, 750018), (336, 625015), (420, 500012), (560, 375009), (840, 250006), (1680, 125003)]