31315680

素因数分解:

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

素因数の和:694

約数の個数: 192

約数和(自身を含む): 119750400

約数和(自身を除く): 88434720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 594, 659, 660, 720, 792, 864, 880, 990, 1056, 1080, 1188, 1318, 1320, 1440, 1485, 1584, 1760, 1977, 1980, 2160, 2376, 2636, 2640, 2970, 3168, 3295, 3954, 3960, 4320, 4752, 5272, 5280, 5931, 5940, 6590, 7249, 7908, 7920, 9504, 9885, 10544, 11862, 11880, 13180, 14498, 15816, 15840, 17793, 19770, 21088, 21747, 23724, 23760, 26360, 28996, 29655, 31632, 35586, 36245, 39540, 43494, 47448, 47520, 52720, 57992, 59310, 63264, 65241, 71172, 72490, 79080, 86988, 88965, 94896, 105440, 108735, 115984, 118620, 130482, 142344, 144980, 158160, 173976, 177930, 189792, 195723, 217470, 231968, 237240, 260964, 284688, 289960, 316320, 326205, 347952, 355860, 391446, 434940, 474480, 521928, 569376, 579920, 652410, 695904, 711720, 782892, 869880, 948960, 978615, 1043856, 1159840, 1304820, 1423440, 1565784, 1739760, 1957230, 2087712, 2609640, 2846880, 3131568, 3479520, 3914460, 5219280, 6263136, 7828920, 10438560, 15657840, 31315680]

約数ペア:

[(1, 31315680), (2, 15657840), (3, 10438560), (4, 7828920), (5, 6263136), (6, 5219280), (8, 3914460), (9, 3479520), (10, 3131568), (11, 2846880), (12, 2609640), (15, 2087712), (16, 1957230), (18, 1739760), (20, 1565784), (22, 1423440), (24, 1304820), (27, 1159840), (30, 1043856), (32, 978615), (33, 948960), (36, 869880), (40, 782892), (44, 711720), (45, 695904), (48, 652410), (54, 579920), (55, 569376), (60, 521928), (66, 474480), (72, 434940), (80, 391446), (88, 355860), (90, 347952), (96, 326205), (99, 316320), (108, 289960), (110, 284688), (120, 260964), (132, 237240), (135, 231968), (144, 217470), (160, 195723), (165, 189792), (176, 177930), (180, 173976), (198, 158160), (216, 144980), (220, 142344), (240, 130482), (264, 118620), (270, 115984), (288, 108735), (297, 105440), (330, 94896), (352, 88965), (360, 86988), (396, 79080), (432, 72490), (440, 71172), (480, 65241), (495, 63264), (528, 59310), (540, 57992), (594, 52720), (659, 47520), (660, 47448), (720, 43494), (792, 39540), (864, 36245), (880, 35586), (990, 31632), (1056, 29655), (1080, 28996), (1188, 26360), (1318, 23760), (1320, 23724), (1440, 21747), (1485, 21088), (1584, 19770), (1760, 17793), (1977, 15840), (1980, 15816), (2160, 14498), (2376, 13180), (2636, 11880), (2640, 11862), (2970, 10544), (3168, 9885), (3295, 9504), (3954, 7920), (3960, 7908), (4320, 7249), (4752, 6590), (5272, 5940), (5280, 5931)]