81007260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71059}}^1$

素因数の和:71090

約数の個数: 48

約数和(自身を含む): 238761600

約数和(自身を除く): 157754340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 71059, 142118, 213177, 284236, 355295, 426354, 710590, 852708, 1065885, 1350121, 1421180, 2131770, 2700242, 4050363, 4263540, 5400484, 6750605, 8100726, 13501210, 16201452, 20251815, 27002420, 40503630, 81007260]

約数ペア:

[(1, 81007260), (2, 40503630), (3, 27002420), (4, 20251815), (5, 16201452), (6, 13501210), (10, 8100726), (12, 6750605), (15, 5400484), (19, 4263540), (20, 4050363), (30, 2700242), (38, 2131770), (57, 1421180), (60, 1350121), (76, 1065885), (95, 852708), (114, 710590), (190, 426354), (228, 355295), (285, 284236), (380, 213177), (570, 142118), (1140, 71059)]