28785240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2423}}^1$

素因数の和:2454

約数の個数: 128

約数和(自身を含む): 104716800

約数和(自身を除く): 75931560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2423, 2970, 3960, 4846, 5940, 7269, 9692, 11880, 12115, 14538, 19384, 21807, 24230, 26653, 29076, 36345, 43614, 48460, 53306, 58152, 65421, 72690, 79959, 87228, 96920, 106612, 109035, 130842, 133265, 145380, 159918, 174456, 213224, 218070, 239877, 261684, 266530, 290760, 319836, 327105, 399795, 436140, 479754, 523368, 533060, 639672, 654210, 719631, 799590, 872280, 959508, 1066120, 1199385, 1308420, 1439262, 1599180, 1919016, 2398770, 2616840, 2878524, 3198360, 3598155, 4797540, 5757048, 7196310, 9595080, 14392620, 28785240]

約数ペア:

[(1, 28785240), (2, 14392620), (3, 9595080), (4, 7196310), (5, 5757048), (6, 4797540), (8, 3598155), (9, 3198360), (10, 2878524), (11, 2616840), (12, 2398770), (15, 1919016), (18, 1599180), (20, 1439262), (22, 1308420), (24, 1199385), (27, 1066120), (30, 959508), (33, 872280), (36, 799590), (40, 719631), (44, 654210), (45, 639672), (54, 533060), (55, 523368), (60, 479754), (66, 436140), (72, 399795), (88, 327105), (90, 319836), (99, 290760), (108, 266530), (110, 261684), (120, 239877), (132, 218070), (135, 213224), (165, 174456), (180, 159918), (198, 145380), (216, 133265), (220, 130842), (264, 109035), (270, 106612), (297, 96920), (330, 87228), (360, 79959), (396, 72690), (440, 65421), (495, 58152), (540, 53306), (594, 48460), (660, 43614), (792, 36345), (990, 29076), (1080, 26653), (1188, 24230), (1320, 21807), (1485, 19384), (1980, 14538), (2376, 12115), (2423, 11880), (2970, 9692), (3960, 7269), (4846, 5940)]