7828920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1$

素因数の和:690

約数の個数: 128

約数和(自身を含む): 28512000

約数和(自身を除く): 20683080

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, 659, 660, 792, 990, 1080, 1188, 1318, 1320, 1485, 1977, 1980, 2376, 2636, 2970, 3295, 3954, 3960, 5272, 5931, 5940, 6590, 7249, 7908, 9885, 11862, 11880, 13180, 14498, 15816, 17793, 19770, 21747, 23724, 26360, 28996, 29655, 35586, 36245, 39540, 43494, 47448, 57992, 59310, 65241, 71172, 72490, 79080, 86988, 88965, 108735, 118620, 130482, 142344, 144980, 173976, 177930, 195723, 217470, 237240, 260964, 289960, 326205, 355860, 391446, 434940, 521928, 652410, 711720, 782892, 869880, 978615, 1304820, 1565784, 1957230, 2609640, 3914460, 7828920]

約数ペア:

[(1, 7828920), (2, 3914460), (3, 2609640), (4, 1957230), (5, 1565784), (6, 1304820), (8, 978615), (9, 869880), (10, 782892), (11, 711720), (12, 652410), (15, 521928), (18, 434940), (20, 391446), (22, 355860), (24, 326205), (27, 289960), (30, 260964), (33, 237240), (36, 217470), (40, 195723), (44, 177930), (45, 173976), (54, 144980), (55, 142344), (60, 130482), (66, 118620), (72, 108735), (88, 88965), (90, 86988), (99, 79080), (108, 72490), (110, 71172), (120, 65241), (132, 59310), (135, 57992), (165, 47448), (180, 43494), (198, 39540), (216, 36245), (220, 35586), (264, 29655), (270, 28996), (297, 26360), (330, 23724), (360, 21747), (396, 19770), (440, 17793), (495, 15816), (540, 14498), (594, 13180), (659, 11880), (660, 11862), (792, 9885), (990, 7908), (1080, 7249), (1188, 6590), (1318, 5940), (1320, 5931), (1485, 5272), (1977, 3960), (1980, 3954), (2376, 3295), (2636, 2970)]