68876640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6833}}^1$

素因数の和:6861

約数の個数: 144

約数和(自身を含む): 268658208

約数和(自身を除く): 199781568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6833, 10080, 13666, 20499, 27332, 34165, 40998, 47831, 54664, 61497, 68330, 81996, 95662, 102495, 109328, 122994, 136660, 143493, 163992, 191324, 204990, 218656, 239155, 245988, 273320, 286986, 307485, 327984, 382648, 409980, 430479, 478310, 491976, 546640, 573972, 614970, 655968, 717465, 765296, 819960, 860958, 956620, 983952, 1093280, 1147944, 1229940, 1434930, 1530592, 1639920, 1721916, 1913240, 1967904, 2152395, 2295888, 2459880, 2869860, 3279840, 3443832, 3826480, 4304790, 4591776, 4919760, 5739720, 6887664, 7652960, 8609580, 9839520, 11479440, 13775328, 17219160, 22958880, 34438320, 68876640]

約数ペア:

[(1, 68876640), (2, 34438320), (3, 22958880), (4, 17219160), (5, 13775328), (6, 11479440), (7, 9839520), (8, 8609580), (9, 7652960), (10, 6887664), (12, 5739720), (14, 4919760), (15, 4591776), (16, 4304790), (18, 3826480), (20, 3443832), (21, 3279840), (24, 2869860), (28, 2459880), (30, 2295888), (32, 2152395), (35, 1967904), (36, 1913240), (40, 1721916), (42, 1639920), (45, 1530592), (48, 1434930), (56, 1229940), (60, 1147944), (63, 1093280), (70, 983952), (72, 956620), (80, 860958), (84, 819960), (90, 765296), (96, 717465), (105, 655968), (112, 614970), (120, 573972), (126, 546640), (140, 491976), (144, 478310), (160, 430479), (168, 409980), (180, 382648), (210, 327984), (224, 307485), (240, 286986), (252, 273320), (280, 245988), (288, 239155), (315, 218656), (336, 204990), (360, 191324), (420, 163992), (480, 143493), (504, 136660), (560, 122994), (630, 109328), (672, 102495), (720, 95662), (840, 81996), (1008, 68330), (1120, 61497), (1260, 54664), (1440, 47831), (1680, 40998), (2016, 34165), (2520, 27332), (3360, 20499), (5040, 13666), (6833, 10080)]