2920772360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{15121}}^1$

素因数の和:15582

約数の個数: 64

約数和(自身を含む): 7185974400

約数和(自身を除く): 4265202040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 439, 440, 878, 1756, 2195, 3512, 4390, 4829, 8780, 9658, 15121, 17560, 19316, 24145, 30242, 38632, 48290, 60484, 75605, 96580, 120968, 151210, 166331, 193160, 302420, 332662, 604840, 665324, 831655, 1330648, 1663310, 3326620, 6638119, 6653240, 13276238, 26552476, 33190595, 53104952, 66381190, 73019309, 132762380, 146038618, 265524760, 292077236, 365096545, 584154472, 730193090, 1460386180, 2920772360]

約数ペア:

[(1, 2920772360), (2, 1460386180), (4, 730193090), (5, 584154472), (8, 365096545), (10, 292077236), (11, 265524760), (20, 146038618), (22, 132762380), (40, 73019309), (44, 66381190), (55, 53104952), (88, 33190595), (110, 26552476), (220, 13276238), (439, 6653240), (440, 6638119), (878, 3326620), (1756, 1663310), (2195, 1330648), (3512, 831655), (4390, 665324), (4829, 604840), (8780, 332662), (9658, 302420), (15121, 193160), (17560, 166331), (19316, 151210), (24145, 120968), (30242, 96580), (38632, 75605), (48290, 60484)]