8663880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 28615680

約数和(自身を除く): 19951800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 137, 155, 170, 186, 204, 248, 255, 274, 310, 340, 372, 408, 411, 465, 510, 527, 548, 620, 680, 685, 744, 822, 930, 1020, 1054, 1096, 1240, 1370, 1581, 1644, 1860, 2040, 2055, 2108, 2329, 2635, 2740, 3162, 3288, 3720, 4110, 4216, 4247, 4658, 5270, 5480, 6324, 6987, 7905, 8220, 8494, 9316, 10540, 11645, 12648, 12741, 13974, 15810, 16440, 16988, 18632, 21080, 21235, 23290, 25482, 27948, 31620, 33976, 34935, 42470, 46580, 50964, 55896, 63240, 63705, 69870, 72199, 84940, 93160, 101928, 127410, 139740, 144398, 169880, 216597, 254820, 279480, 288796, 360995, 433194, 509640, 577592, 721990, 866388, 1082985, 1443980, 1732776, 2165970, 2887960, 4331940, 8663880]

約数ペア:

[(1, 8663880), (2, 4331940), (3, 2887960), (4, 2165970), (5, 1732776), (6, 1443980), (8, 1082985), (10, 866388), (12, 721990), (15, 577592), (17, 509640), (20, 433194), (24, 360995), (30, 288796), (31, 279480), (34, 254820), (40, 216597), (51, 169880), (60, 144398), (62, 139740), (68, 127410), (85, 101928), (93, 93160), (102, 84940), (120, 72199), (124, 69870), (136, 63705), (137, 63240), (155, 55896), (170, 50964), (186, 46580), (204, 42470), (248, 34935), (255, 33976), (274, 31620), (310, 27948), (340, 25482), (372, 23290), (408, 21235), (411, 21080), (465, 18632), (510, 16988), (527, 16440), (548, 15810), (620, 13974), (680, 12741), (685, 12648), (744, 11645), (822, 10540), (930, 9316), (1020, 8494), (1054, 8220), (1096, 7905), (1240, 6987), (1370, 6324), (1581, 5480), (1644, 5270), (1860, 4658), (2040, 4247), (2055, 4216), (2108, 4110), (2329, 3720), (2635, 3288), (2740, 3162)]